HIGH-PRESSURE COMPRESSOR AND SYSTEM WITH A HIGH-PRESSURE COMPRESSOR

Description

[0001] A high-pressure compressor and a system with a high-pressure compressor are described, which are designed for the compression of a gas or gas mixture. background

[0002] According to the general technical understanding, "high pressure" refers to the high-pressure compression of gases and gas mixtures at a compression pressure of 40 bar or more above atmospheric pressure.

[0003] The high-pressure compressor and system described herein can be used for the high-pressure compression of flammable or oxidizing gases or gas mixtures. Hydrogen is an example of a flammable gas. Oxygen is an example of an oxidizing gas. Flammable or oxidizing gas mixtures can contain hydrogen and oxygen.

[0004] Various applications require gases and gas mixtures at high pressures. In some cases, these pressures reach several hundred or even over 1000 bar. For example, applications in energy generation facilities or for mobile applications require gases or gas mixtures at several hundred bar. Hydrogen, for instance, is typically stored in suitable containers at a pressure of around 300 bar for intermediate storage. A challenge lies in compressing these gases or gas mixtures, and conventional solutions have drawbacks. State of the art

[0005] From WO 2012 / 107756 A1, a gas compressor is known that comprises a high-pressure liquid source and a pressure vessel with a gas inlet for the gas to be compressed, a gas outlet for the compressed gas, and a liquid inlet for the high-pressure liquid. A sealing element provided has the form of an inflatable bag connected to the liquid inlet of the pressure vessel. The inflatable bag can be dimensioned such that, when inflated, it occupies the interior of the pressure vessel to pressurize the gas while simultaneously keeping the switchable vent on the water inlet pipe open to the atmosphere. The internal shape and volume of the pressure vessel can be essentially identical to the external shape and volume of the inflatable water bag. The inflatable bag can be made of any flexible material or composite materials such as reinforced rubber, fiber-reinforced plastic, etc.

[0006] US Patent 3,062,153 A discloses a method and means for pumping various types of substances. It discloses a novel pump design, particularly suitable for ejecting liquids or other substances from a non-pressurized, storable container, and which can be used in a processing plant for mixing or combining chemicals that are not suitable for direct pumping by more conventional means or that are easily transferable from one source to another due to contamination or other reasons, using bottle pressure or pressure or vacuum derived from other standard equipment.

[0007] Coating applicators, and in particular electrostatic applicators, suitable for applying a variety of different coatings in rapid succession are known from WO 2006 / 113246 A. A flexible barrier is inserted into a canister with a fixed outer shell and a fixed volume. This barrier forms a common dividing line between a variable first volume on one side of the barrier and a variable second volume on the opposite side. The barrier is connected to the shell so that the surfaces of the shell and the barrier are exposed in only one of the volumes, even if the volume sizes change. An actuator moves the barrier to change the size of the first and second volumes, and a coating material flows into and out of one of the volumes.

[0008] From FR 2 085 490 A, a compressed air generator device is known which utilizes the pressure fluctuations generated in a Doleau distribution network by the sole actuation of the distribution elements such as taps, valves, or valves, automatically or in a controlled manner.

[0009] Common compressors for gases and gas mixtures are, for example, designed as piston compressors and feature a linearly moving piston that compresses a gas or gas mixture introduced into a receiving chamber by reducing the size of the receiving chamber. The compressed gas or gas mixture is then discharged and supplied to an application.

[0010] Such piston compressors are particularly disadvantageous because, due to the moving piston, a seal must be provided to seal the piston against the wall defining the intake chamber. However, this seal cannot provide a complete seal because there is constant movement between the components to be sealed, and is subject to high wear due to this frequent movement. Task

[0011] In contrast, the task is to provide a solution for the high-pressure compression of gases and gas mixtures that overcomes the disadvantages of the prior art and offers a simple alternative that allows for high compression of gases and gas mixtures in a compact design. Specifically, the solution should be free of any moving components primarily used for compression that are in contact with the environment. Solution

[0012] The aforementioned problem is solved by a high-pressure compressor for compressing a gas or gas mixture, comprising a pressure vessel that surrounds at least one media chamber and at least one compressor assembly, wherein the at least one compressor assembly consists of at least one contour bar and at least one membrane that separates the at least one media chamber from at least one compressor chamber, and the at least one contour bar has at least one first connection for supplying and / or discharging a gas or gas mixture, which opens into the at least one compressor chamber, wherein the pressure vessel has at least one second connection for supplying and / or discharging a medium, which opens into the at least one media chamber, and wherein the at least one membrane is deformable for compressing the gas or gas mixture that can be introduced into the at least one compressor chamber by introducing a medium into the at least one media chamber.

[0013] In an advantageous embodiment, the high-pressure compressor is designed as a hose-diaphragm compressor and thus causes compression of the gas or gas mixture that can be introduced into the at least one media chamber by deformation of the at least one diaphragm.

[0014] Compared to piston compressors, a diaphragm compressor has no seals that come into contact with moving components, thus eliminating sealing problems and achieving fluid particle-free compression. This also results in the advantage that a diaphragm compressor is less prone to wear than a conventional piston compressor, as it has fewer moving parts. Another advantage is that a diaphragm compressor requires less installation space than a comparable piston compressor to achieve the same compression ratio.

[0015] The high-pressure compressor is designed such that the at least one diaphragm rests against the at least one contour bar in an advantageous initial position. When the gas or gas mixture is introduced, the at least one diaphragm is brought into contact with the inner wall of the at least one housing sleeve of the at least one pressure vessel. The at least one enclosed space, which is bounded by the clamping pieces, forms the at least one compressor chamber. The volume enclosed by the at least one compressor chamber is thus available for compression.

[0016] After a gas or gas mixture is introduced via the at least one first connection, the supply is interrupted and the line is sealed. Compression then takes place, whereby a more incompressible medium than the gas or gas mixture to be compressed is introduced into the at least one media chamber via the at least one second connection. In an advantageous embodiment, the medium is incompressible.

[0017] Liquid media with a compression modulus of at least 1.0 GPa are considered incompressible. In an advantageous embodiment, the medium is water or hydraulic oil. In further advantageous embodiments, gases are also conceivable as the medium.

[0018] The pressure exerted on the at least one diaphragm via the medium corresponds to the pressure on the gas or gas mixture side, so that essentially differential-pressure-free compression is carried out within the at least one pressure vessel of the high-pressure compressor. Advantageously, this essentially differential-pressure-free compression allows for thinner diaphragms, as they are subjected to no stresses other than compressive stresses.

[0019] During the compression of the gas or gas mixture that has been introduced into the at least one compressor chamber, the pressure on the at least one membrane is increased by the more incompressible medium from the side of the at least one media chamber, so that the at least one membrane is deformed in the direction of the at least one contour rod, which then leads to a compression of the gas or gas mixture contained in the at least one compressor chamber.

[0020] The at least one membrane can be deformed over the more incompressible medium until it is in complete or almost complete contact with the at least one contour rod. This achieves a high compression because the gas or gas mixture can be compressed by almost the entire volume of the at least one compressor chamber. Compared to known devices, this results in a higher compression.

[0021] The deformation of the at least one membrane can be achieved by stretching the at least one membrane, whereby the at least one membrane is designed accordingly with regard to its structure and / or internal structure so that the required deformation is achieved.

[0022] Further advantageous configurations result from further developments, which are defined by the sub-claims.

[0023] In an advantageous embodiment of the invention according to claim 2, the high-pressure compressor can have at least one pressure vessel with a cylindrical cross-section.

[0024] In a further advantageous embodiment, the cross-sectional area of ​​the at least one housing sleeve and / or the flange plates can be in the form of a polygon. Manufacturing a, for example, rectangular profile is advantageous compared to more complex cross-sections.

[0025] In an advantageous embodiment according to claim 3, the at least one pressure vessel of the high-pressure compressor can be made in multiple parts. The central part of the high-pressure compressor is formed by the at least one housing sleeve, which is sealed by flange plates attached to its end faces. To enable sealing against the environment, grooves and recesses are provided in the flange plates to position and fix the at least one housing sleeve in a sealing manner.

[0026] In a further advantageous embodiment of the invention, the flange plates can have equidistant bores along the flange plate contour outside the recesses that serve to receive the at least one housing sleeve. In the assembled state, the opposing flange plates, spaced apart by the at least one housing sleeve, are aligned such that the bores are congruent, allowing rods, which can be bolts, threaded rods, or screws, to pass through these bores. The length of the rods is selected such that they extend beyond the flange plates to both ends of the at least one pressure vessel, with each of the projecting ends of the rods having a thread. Nuts and spacers are placed on the ends, thereby enclosing at least one media chamber with the at least one housing sleeve in a force-fit, form-fit, and gas-tight manner.In another embodiment of the pressure vessel, direct screwing of the flange plates to the housing sleeve may also be provided.

[0027] The flange plates and the at least one housing sleeve are made of metal, a metal alloy, or stainless steel or a stainless steel alloy. In an advantageous embodiment, the flange plates and the at least one housing sleeve are made of a stainless steel alloy of group 316L.

[0028] In a further advantageous embodiment of the invention, materials such as plastics are also conceivable for the manufacture of the flange plates and the at least one housing sleeve, provided that these are gas-tight and have sufficient tensile strength against the internal pressure of the pressure vessel.

[0029] In an advantageous embodiment of the high-pressure compressor according to claim 4, one of the flange plates of the at least one pressure vessel can have at least one bore, wherein at least one contour bar, which accommodates at least one compressor assembly, is positioned in a sealing manner.

[0030] In a further advantageous embodiment of the invention, the at least one pressure vessel can have additional connections for supplying and / or discharging a medium used to compress a gas or gas mixture. The at least one second connection, which may be designed as a bore, for supplying and / or discharging a medium is located in at least one flange plate and / or the at least one housing sleeve.

[0031] The at least one compressor assembly can be arranged along at least one contour bar, wherein the at least one contour bar is gas-tightly connected to a flange plate at one end. At least one first connection is provided at this end of the at least one contour bar, which serves for the supply and discharge of the gas or gas mixture to be compressed. The at least one contour bar is essentially a cylindrical bar that extends almost over the entire length of the at least one pressure vessel. In a further advantageous embodiment of the invention, the at least one contour bar can also have a polygonal cross-sectional profile.

[0032] Starting from the inner wall of the flange plate on the connection side, the at least one contour bar can, in an advantageous embodiment, have a thread and an expanding conical section. In the center of the at least one pressure vessel, the at least one contour bar can have at least one concave section. Towards the free end of the at least one contour bar, it can, in an advantageous embodiment, have a constricting conical section and another thread. The at least one first connection, which serves for the gas or gas mixture supply and / or discharge, can extend centrally along the at least one contour bar. Further bores are provided along the circumference, between the expanding and the constricting conical sections. These bores can originate from the at least one first connection and open into the at least one compressor chamber, which is spanned by the diaphragm.

[0033] In an advantageous embodiment, the at least one contour bar can have grooves along and / or longitudinally along its circumference, which extend to the at least one first connection. This advantageously allows the compressed gas or gas mixture to be discharged more efficiently from the compressor chamber.

[0034] In a further advantageous embodiment according to claim 5, the at least one membrane can be designed in the form of a hose section and / or a hose segment.

[0035] In an advantageous embodiment according to claim 6, the at least one membrane can be arranged on and / or on the at least one contour rod.

[0036] In an advantageous embodiment according to claim 7, the at least one membrane can extend from the widening conical region to the tapering conical region of the at least one contour bar. The at least one membrane is guided over cones and connected by means of slide-on clamping pieces, which have a bore complementary to the cones of the at least one contour bar. The clamping pieces are arranged symmetrically on the at least one contour bar. By means of clamping nuts, which are provided on the threads at the inner edge regions of the at least one pressure vessel on the at least one contour bar, the clamping pieces are fixed to the at least one contour bar, generating a surface pressure that positions the at least one membrane in a force-fit and gas-tight manner.

[0037] In an advantageous embodiment of the clamping elements and the contour bar, the surfaces can have a toothed profile or similar feature to increase the force and / or form fit. In a further advantageous embodiment of the invention, needle-shaped projections are provided on the contour bar which, in the assembled state, penetrate the at least one membrane.

[0038] To avoid abrupt cross-sectional transitions of the at least one diaphragm in its inflated state, the opposing inner end faces of the clamping pieces are provided with a circumferential chamfer. In an advantageous embodiment of the chamfer, this chamfer can have radii such that the transition from the clamping piece to the inner wall of the housing sleeve is almost continuous.

[0039] In a further advantageous embodiment, the clamping pieces can also be made in multiple parts.

[0040] In an advantageous embodiment of the high-pressure compressor according to claim 8, the at least one membrane can consist of a polymerized material. Advantageously, the at least one membrane consists of an elastomer such as ethylene propylene diene monomer or fluorocarbon rubber. Advantageously, the composition of the polymerized material exhibits high elasticity and low fatigue characteristics as a result of load cycles.

[0041] In a further advantageous embodiment, a flange plate can accommodate a plurality of parallel contour bars. It is also advantageous to provide that several compressor assemblies can be arranged in series on a single contour bar.

[0042] The aforementioned problem is further solved by a compressor system for high-pressure compression of a gas or gas mixture, comprising at least one high-pressure compressor, a low-pressure gas or gas mixture reservoir, a high-pressure gas or gas mixture reservoir, a media reservoir and conveying means for conveying a gas or gas mixture as well as a more incompressible medium, and control means for regulating the flow of the gas or gas mixture and the more incompressible medium via associated lines, wherein The high-pressure compressor comprises at least one pressure vessel which surrounds at least one compressor assembly and at least one media chamber. The compressor assembly is arranged on at least one contour rod which carries at least one flexible membrane, which, in its inflated state, spans at least one compressor chamber, the membrane sealing the at least one compressor chamber to the at least one media chamber. The high-pressure compressor has at least one first connection opening into the compressor chamber, which is connected to the low-pressure gas or gas mixture supply and the high-pressure gas or gas mixture supply via associated lines and corresponding conveying and / or control means.so that a gas or gas mixture can be introduced from the low-pressure gas or gas mixture supply into the at least one compressor chamber and from the at least one compressor chamber into the high-pressure gas or gas mixture supply, and the high-pressure compressor has at least one second connection leading into the at least one media chamber, the at least second connection being connected to the media supply via associated lines and corresponding conveying and / or control means, so that a more incompressible medium can be introduced from the media supply via the at least one second connection into the at least one media chamber and from the at least one media chamber into the media supply, the more incompressible medium can be pressurized via associated conveying and / or control means, so that deformation of the at least one membrane and thereby compression of the gas or gas mixture contained in the at least one compressor chamber can be achieved,for which lines to and from the low-pressure gas or gas mixture supply, the high-pressure gas or gas mixture supply and the media supply can be shut off via corresponding control means.

[0043] In an advantageous embodiment of the compressor system, the media circuit and the medium conveyed and / or pumped through it can be heated and / or air-conditioned, at least in the area of ​​the at least one second connection. Advantageously, this achieves a viscosity of the more incompressible medium that prevents back pressure from being generated on the conveyed medium when it flows into the at least one media chamber via the at least one second connection.

[0044] In an advantageous embodiment of the compressor system, the pressurization of the medium within the at least one media chamber can be achieved via the conveying means that pump the less compressible medium into the at least one media chamber. These conveying means are, for example, designed as pistons and / or pumps. It is particularly advantageous if one conveying means is designed as a pump, so that the piston can be completely omitted. With such an advantageous embodiment, a system without pistons can be used as the conveying and / or pressurizing means.

[0045] The system offers the possibility of high-pressure compression of a gas or gas mixture with at least one high-pressure compressor, by deflecting at least one diaphragm.

[0046] Further advantages, features and design options will result from the following description of a non-restrictive embodiment. Brief description of the characters

[0047] The figures show: Fig. 1: a sectional view of a high-pressure compressor with a diaphragm; Fig. 2: a schematic representation of a compressor system with a high-pressure compressor according to Fig. 1 ; Fig. 3-6: a schematic representation of the process sequence of a high-pressure compression cycle in the compressor system according to Fig. 2 ; and Fig. 7: a flowchart for high-pressure compression in a compressor system.

[0048] In the drawings, elements designated with the same reference numerals are essentially equivalent to one another, unless otherwise indicated. Furthermore, components that are not essential for understanding the technical teaching disclosed herein are not shown or described. Additionally, reference numerals are not repeated for all elements already introduced and illustrated, provided that the elements themselves and their function have already been described or are known to a person skilled in the art. Detailed description based on an execution form

[0049] Fig. 1Figure 1 shows a sectional view of a high-pressure compressor 100. The high-pressure compressor 100 is used to compress a gas, such as hydrogen, or other gas mixtures, and represents one possible embodiment of the technical teaching disclosed herein. The embodiment shown and described below is therefore not limiting and may also include additional features or alternatives specified herein.

[0050] The in Fig. 1 The high-pressure compressor 100 shown consists of a compressor assembly 120 and a multi-part pressure vessel 110, which surrounds the compressor assembly 120 and a media chamber 102.

[0051] The pressure vessel 110 is essentially cylindrical and has two opposing flange plates 112-1, 112-2. A housing sleeve 111 is arranged between the flange plates 112-1, 112-2. In the assembled state, both flange plates have a concentric recess on opposite sides into which the housing sleeve 111 can be inserted in a form-fitting, sealing manner. An additional seal 113-1, 113-2, e.g., an O-ring, is provided within the concentric recess. Furthermore, the flange plates have equidistant bores along the flange contour outside the recess that serves to receive the housing sleeve 111.The opposing flange plates 112-1, 112-2, spaced apart by the housing sleeve 111, are aligned in the assembled state such that the bores are congruent, allowing rods 115, which can be bolts, threaded rods, or screws, to pass through these bores. The length of the rods is chosen so that they extend beyond the flange plates 112-1, 112-2 at both ends of the pressure vessel 111, with the protruding ends of the rods each having a thread. Nuts 116 and spacers 117 are placed on the ends, thereby enclosing a media chamber 102 with the housing sleeve 111 in a force-fit, form-fit, and gas-tight manner. One of the flanges 112-1, 112-2 has a central bore in which the contour bar 121, which accommodates the compressor assembly 120, is positioned in a sealing manner.Flange plates 112-1 and 112-2 have additional bores for supplying a medium used to compress a gas or gas mixture. Hydrogen, for example, can be used as the gas or gas mixture.

[0052] The flange plates 112-1, 112-2 and the housing sleeve are made of stainless steel from group 316L.

[0053] The compressor assembly 120 is arranged along a contour bar 121, the contour bar 121 being connected at one end to one of the two flange plates 112-1, 112-2. At least one connection 126 is provided at this end of the contour bar 121, which serves for the supply and discharge of the gas or gas mixture to be compressed. The contour bar 121 is essentially a cylindrical bar that extends almost over the entire length of the pressure vessel 110.

[0054] Starting from the inner wall of the flange plate 112-1 on the connection side, the contour bar 121 has a thread and an expanding conical section 122-1. In the middle of the pressure vessel 110, the contour bar 121 has a concave section, and towards its free end, it has a constricting conical section 122-2 and another thread. The connection 126, which serves for the gas or gas mixture supply and discharge, is designed as a bore and extends centrally within the contour bar 121. Along the circumference, between the expanding and constricting conical sections 122-1 and 122-2, there are further bores 127. These extend from the connection 126 and open into the compressor chamber 101. The compressor chamber 101 is spanned by a diaphragm 125. Fig. 1 The image shows the high-pressure compressor unit 100 in a swollen state.

[0055] The diaphragm 125 is tubular; in other versions, the diaphragm 125 is a tubular section or a tubular segment.

[0056] The membrane 125 consists of a polymerized material, in an advantageous embodiment of an elastomer such as ethylene-propylene-diene monomer, fluorocarbon rubber.

[0057] The membrane 125 extends from the widening conical section 122-1 to the tapering conical section 122-2 of the contour bar 121. The membrane 125 is guided over the cones 122-1, 122-2 and connected by means of sliding clamping pieces 124-1, 124-2, which have a bore complementary to the cones 122-1, 122-2 of the contour bar 121. The clamping pieces 124-1, 124-2 are arranged symmetrically on the contour bar 121. By means of clamping nuts 123-1, 123-2, which are provided on the threads on the inner edge areas of the pressure vessel 110 on the contour bar 121, the clamping pieces 124-1, 124-2 are fixed on the contour bar 121 and a surface pressure is created that positions the diaphragm 125 in a force-fit manner.

[0058] In an initial state, the membrane 125 lies completely against the contour rod 121 (not in Fig. 1(shown). In an inflated state, the diaphragm 125 is in contact with the inner wall of the housing sleeve 111. During high-pressure compression, the diaphragm 125 is deformed so that it continuously moves from a position abutting the inner wall of the housing sleeve 111 into contact with the contour bar 121.

[0059] To avoid abrupt cross-sectional transitions of the diaphragm 125 in its inflated state, the opposing inner end faces of the sleeve-shaped clamping pieces 124-1, 124-2 are provided with a circumferential chamfer. In an advantageous embodiment of the chamfer, this chamfer has radii such that the transition from clamping piece 124-1, 124-2 to the inner wall of the housing sleeve is almost continuous.

[0060] The outer diameter of the sleeve-shaped clamping pieces 124-1, 124-2 is almost equal to the inner diameter of the housing sleeve 111. To allow the medium used to compress the gas or gas mixture to flow into the media chamber 102, the outer surfaces of the clamping pieces 124-1, 124-2 are provided with recesses. In an advantageous embodiment of the clamping pieces 124-1, 124-2, rotationally symmetrical through-holes are also conceivable.

[0061] Depending on the design of the high-pressure compressor 100 and its components, the compression ratio of gases or gas mixtures can be adjusted. In particular, the elasticity of the diaphragm 125 is crucial for the compression. The greater the elasticity, the greater the compression.

[0062] To deform the diaphragm 125 for the high-pressure compression of a gas or gas mixture introduced into the compressor chamber 101, a pressurized medium with a lower compressibility than the gas or gas mixture to be compressed is introduced into the media chamber 102. This ensures that the pressure exerted on the diaphragm 125 by the medium results in a correspondingly high pressure on the gas or gas mixture, which is then compressed. For example, water or hydraulic oil can be used as an incompressible medium. System description

[0063] Fig. 2 shows a schematic representation of a compressor system 200 with a high-pressure compressor 100 according to the design of Fig. 1 .

[0064] In other versions not shown, a compressor system 200 can also be equipped with a modification of the one described in Fig. 1The high-pressure compressor 100 shown, which falls under the technical teaching described herein, can be operated. Finally, a compressor system 200 can in principle also have several high-pressure compressors 100, which are connected, for example, in parallel or in series.

[0065] The compressor system 200 comprises, in addition to the high-pressure compressor 100, lines and control devices as well as valves and a piston 430, and a media reservoir 410 containing a medium used to compress the gas or gas mixture. The media reservoir 410, the piston 430, and a pump 420 are part of a media circuit 400, which in turn is a component of the compressor system 200.

[0066] The compressor system 200 also includes a gas or gas mixture circuit 300, which, in addition to the lines for the supply and discharge of the gas or gas mixture, includes control devices, valves, a reservoir 310 in which the gas or gas mixture is stored at a relatively low pressure of at least 10 bar for high-pressure compression, and a connection to a high-pressure gas or gas mixture reservoir 320, which is located in Figs. 2 to 6 The high-pressure gas or gas mixture reservoir 320 shown can also be any application.

[0067] The compressor system 200 also features pressure relief valves that allow gas to escape into the atmosphere when critical, adjustable pressures in the system are exceeded. In the illustrated embodiment of the compressor system 200, hydrogen gas is compressed from a pressure of at least 10 bar in the low-pressure gas or gas mixture reservoir 310 to approximately 1200 bar, so that the gas or gas mixture is supplied to the high-pressure gas or gas mixture reservoir 320 at a pressure of approximately 1200 bar.

[0068] The compression process of the gas or gas mixture in the operation of the compressor system 200 via the high-pressure compressor 100 takes place in four cyclically recurring steps. Fig. 3 Figure 1 shows the filling of the high-pressure compressor 100 with a low-pressure gas or gas mixture; following the filling of the compressor 100, the gas or gas mixture is compressed in a next step. Fig. 4describes the stroke of the compressed gas or gas mixture in the high-pressure gas or gas mixture reservoir 320. The Figures 5 and 6 Describe steps 1 and 2 for pressure relief of the high-pressure compressor 100. Filling the high-pressure compressor 100 (Fig. 3)

[0069] The compressor chamber 101 of the compressor assembly 120 is filled with a gas or gas mixture from the low-pressure reservoir 310. For this purpose, the valve 301 of the low-pressure reservoir 310 and a further valve 303 are opened, so that gas is supplied to the compressor chamber 101 via the connection 126. The low-pressure reservoir 310 contains gas at a pressure of at least 10 bar. The diaphragm 125 expands towards the inner wall of the housing sleeve, and during this process, the pump 420 in the media circuit 400 pumps the medium, which is still in the media chamber 102 of the pressure vessel 110, back into the media reservoir 410 for the compression medium.

[0070] A relief line of the media circuit 400 from the cylinder of the piston 430 is opened and, due to the higher pressure on the gas side, the diaphragm 125 is fully pressed against the inner wall of the housing sleeve 111 and the piston of the piston 430 is moved into its starting position. Compressing the gas or gas mixture and lifting it into the high-pressure gas or gas mixture reservoir (Fig. 4)

[0071] Once the diaphragm 125 is fully in contact with the inner wall of the housing sleeve 111 of the high-pressure compressor 100, valves 301 and 302 are closed, and valve 304 to the high-pressure gas or gas mixture reservoir 320 is opened. Simultaneously, the circuit 400 is closed, returning to the media reservoir 410, and the relief line is closed. The medium is pumped from the media reservoir 410 by pump 420 and fed to the piston 430 behind the piston head. The less compressible medium, located in front of the piston head of piston 430, is forced through at least one port 114 into the media chamber 102 of the high-pressure compressor 100, thereby bringing the diaphragm 125 into contact with the contour bar 121. This change in volume causes a compression of the gas or gas mixture and thus an increase in pressure in the high-pressure gas or gas mixture reservoir 320. Step 1 for pressure relief of the high-pressure compressor 100 (Fig. 5)

[0072] Valve 304 to the high-pressure gas or gas mixture reservoir 320 is closed. The line in the media circuit 400 and the relief line, both of which lead back to the media reservoir 410, are opened. Due to the pressure applied on the gas side of the high-pressure compressor 100, the head of piston 430 is pushed back a short distance to its starting position, depending on the prevailing pressure, and the escaping medium is collected in the media reservoir 410. Step 2 for pressure relief of the high-pressure compressor 100 (Fig. 6)

[0073] The relief line to the media reservoir 410 remains open, and pump 420 continues to pump back into the media reservoir 410. Valve 302 for pressure relief on the gas side is opened. Subsequently, valve 303 can be opened again, and valve 302 for pressure relief can be closed to allow a renewed gas supply to the compressor chamber 101 of the high-pressure compressor 100.

[0074] Fig. 7shows a flowchart of the cyclically successive steps S1 - S5 for high-pressure compression in a compressor system 200, which has a high-pressure compressor 100.

[0075] In a first step S1, the high-pressure compressor 100 is filled from the supply 310 (see Fig. 3 For this purpose, the corresponding valves are opened or closed.

[0076] In step S2, the gas is compressed and lifted into the high-pressure gas or gas mixture reservoir 320 (see Fig. 4 ) from the high-pressure compressor 100.

[0077] In step S3, a first intermediate step is taken to relieve the pressure of the high-pressure compressor 100 (see Fig. 5 ), whereby the supply of gas from the high-pressure compressor 100 to the high-pressure gas or gas mixture reservoir 320 is closed.

[0078] In step S4, a second intermediate step is performed to relieve the pressure of the high-pressure compressor 100 (see Fig. 6), wherein pressure relief on the gas or gas mixture side 300 is achieved by opening the valve 302 and a pressure reduction occurs.

[0079] In step S5, a switchover takes place for refilling the high-pressure compressor 100, for which valve 303 is reopened and valve 304 is closed to relieve pressure.

[0080] Valve 301, valve 302, valve 303 and valve 304 can be designed as a check valve.

[0081] The above process can be repeated indefinitely to achieve continuous high-pressure compression for various applications or to store the highly compressed gas or gas mixture. Reference symbol list

[0082] 100 High-pressure compressor 410 Media stock 101 Compressor room 420 pump 102 Media Chamber 430 Pistons 110 Pressure vessel 111 Housing sleeve 112 Flange plate 113-1 seal 113-2 seal 114-1 Connection 114-2 Connection 115 rod 116 Mother 117 Spacer 120 Compressor assembly 121 Contour bar 122-1 cone 122-2 cone 123-1 Tension nut 123-2 Tension nut 124-1 Clamping piece 124-2 Clamping piece 125 membrane 126 Connection 200 Compressor system 300 Gas or gas mixture circuit 301 valve 302 valve 303 valve 304 valve 310 Low-pressure gas or gas mixture reservoir 320 High-pressure gas or gas mixture reservoir 400 Media cycle

Claims

1. High-pressure compressor (100) for compressing a gas or gas mixture, comprising at least one pressure vessel (110) which encloses at least one media chamber (102) and at least one compressor assembly (120), wherein the at least one compressor assembly (120) consists of at least one contour rod (121) and at least one diaphragm (125), which separates the at least one media chamber (102) from at least one compressor chamber (101), and the at least one contour rod (121) has at least one first connection (126) for the supply and / or discharge of a gas or gas mixture, which opens into the at least one compressor chamber (101), wherein the at least one contour rod (121) has grooves along and / or running along the circumference which extend towards the at least one first connection, wherein the at least one pressure vessel (110) comprises at least one second connection (114-1, 114-2) for the supply and / or discharge of a medium, which opens into the at least one medium chamber (102), wherein the at least one diaphragm (125) is deformable for compressing the gas or gas mixture introducible into the at least one compressor chamber (101) by introducing a medium into the at least one medium chamber (102).

2. High-pressure compressor (100) according to claim 1, characterised in that the at least one pressure vessel (110) is esseantially cylindrical.

3. High-pressure compressor (100) according to claim 1 or 2, characterised in that the at least one pressure vessel (110) comprises at least one flange plate (112-1, 112-2) on its end faces and at least one housing sleeve (111) on its outer surface.

4. High-pressure compressor (100) according to claims 1 to 3, characterised in that the at least one contour rod (121) is connected at at least one end to the at least one flange plate (112-1, 112-2) of the at least one pressure vessel (110).

5. High-pressure compressor (100) according to claim 1, characterised in that the at least one diaphragm (125) is designed as a section of hose and / or as a hose segment.

6. High-pressure compressor (100) according to any one of claims 1 to 5, characterised in that the at least one diaphragm (125) is arranged on and / or attached to the at least one contour rod (121).

7. High-pressure compressor (100) according to any one of the preceding claims, characterised in that the at least one diaphragm (125) is connected to the region of the at least two cones (122-1, 122-2), which are arranged at the end regions of the at least one contour rod (120) within the at least one pressure vessel (110), via at least one clamping piece (124-1, 124-2) in each case.

8. High-pressure compressor (100) according to any one of the preceding claims, characterised in that the at least one diaphragm (125) can be inflated from a position in contact with the at least one contour rod (121) against the inner wall of the at least one pressure vessel sleeve (111).

9. High-pressure compressor (100) according to any one of claims 1 to 8, characterised in that the at least one diaphragm (125) is made of a polymerised material.

10. A compressor system (200) for high-pressure compression of a gas or gas mixture, comprising at least one high-pressure compressor (100) according to any one of claims 1 to 9, a low-pressure gas or gas mixture reservoir (310), a high-pressure gas or gas mixture reservoir (320), a medium reservoir (410) and conveying means for conveying a gas or gas mixture as well as a medium, and control means for regulating the flow of the gas or gas mixture and / or the medium through lines, wherein - the high-pressure compressor (100) comprises a pressure vessel (110) which surrounds at least one compressor chamber (101) and at least one medium chamber (102), wherein the at least one compressor chamber (101) and the at least one medium chamber (102) are separated in the at least one pressure vessel (110) via at least one diaphragm (125), - the high-pressure compressor (100) comprises at least one first connection (126) opening into the at least one compressor chamber (101), - the at least one first connection (126) is connected to the low-pressure gas or gas mixture reservoir (310) and the high-pressure gas or gas mixture reservoir (320) via pipes and conveying and / or control means, so that a gas or gas mixture can be fed from the low-pressure gas or gas mixture reservoir (310) into the at least one compressor chamber (101) and from the at least one compressor chamber (101) into the high-pressure gas or gas mixture reservoir (320), - the high-pressure compressor (100) has at least one second connection (114-1, 114-2) opening into the at least one medium chamber (102), - the at least one second connection (114-1, 114-2) is connected to the medium reservoir via pipes and conveying and / or control means, such that a medium can be fed from the medium reservoir (410) via the at least one second connection (114-1, 114-2) into the at least one media chamber (102) and / or from the at least one media chamber (102) into the media reservoir (410), and - the medium can be pressurised via conveying and / or control means, so that deformation of the at least one diaphragm (125) and, consequently, compression of the gas or gas mixture contained in the at least one compressor chamber (101) can be achieved, for which purpose lines to and from the low-pressure gas or gas mixture reservoir (310), the high-pressure gas or gas mixture reservoir (320) and the medium reservoir (410) can be shut off via control means.

11. Compressor system (200) for high-pressure compression of a gas or gas mixture according to claim 10, characterised in that the medium used to compress the gas or gas mixture has a lower compressibility than the gas or gas mixture.