222 results about "Expansion chamber" patented technology

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a fluid intake chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms travelling around an axial center of the disk with each hyperbolic waveform having a varying diameter along the waveform.

An improved AR platform firearm includes modular brass deflectors and brass catches; sleeved takedown and pivot pinholes; a cam latch device for a secure upper / lower receiver connection; a two-piece upper receiver; a taper-fit barrel system; a barrel alignment system using a barrel alignment washer; a charging handle that positively engages with the bolt carrier; a charging handle retention system using a spring detent; a bolt carrier with rear wall to absorb shear force on the gas key or anvil; a leak-proof gas system using a straight gas tube, ferrule and threaded connection with the gas block; a gas block stop notch that mates with a gas block key; a gas block jam nut for holding the gas block in place; an interchangeable gas system; an expansion chamber; a handguard with adjustable weights; a handguard lock-up mechanism; a handguard extender; and a sloped Picatinny rail for extending scope utilization.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms axially aligned around a horizontal center of the system.

A disk-pack turbine includes two disks each having a waveform surface and a second surface, the waveform surfaces face each other and have an axially centered waveform pattern, at least one disk includes an axially centered opening passing from the second surface to the waveform surface, said disks define an expansion chamber including the at least one opening and a disk chamber between said disks from the expansion chamber to a periphery of said disks. The waveform pattern includes at least one waveform that has an amplitude that varies in a radial direction and said waveform pattern maintains or increases a number of peaks for each level of waveforms progressing out from the inner most waveform about said axial center to said periphery where the increase is by a multiplier of 2 to 8. The second surfaces have a slight parabolic shape or are flat.

A cooling system, comprising: - a first cooling circuit (10), the first cooling circuit having a first coolant pump (12); - a second cooling circuit (20), the second cooling circuit having a second coolant pump (22); - an expansion tank (30), the expansion tank being provided with an expansion chamber (31) for accumulating coolant, wherein the expansion chamber is connected to the second cooling circuit (20) so as to allow the expansion chamber to receive coolant from the second cooling circuit; and - a degassing device (40), the degassing device being arranged in the first cooling circuit for separating bubbles from the coolant circulating therein. The degassing device (40) is located at a position lower than the expansion tank (30) and is connected to the expansion chamber (31) via a static pipeline (5) so as to allow the bubbles separated from the coolant in the degassing device to migrate upward in the static pipeline towards the expansion chamber.

Apparatus, systems, and methods for diluting aerosolized high-melting-point solution. A dilution apparatus intakes a flow of aerosolized form of the high-melting-point solution and a flow of inert gas into a continuous multi-chamber volume. The continuous multi-chamber volume comprises an introductory chamber and an expansion chamber that is cross-sectionally larger than the introductory chamber. The dilution apparatus mixes the aerosolized form of the high-melting-point solution with the inert gas in the expansion chamber to dilute the aerosolized form of the high-melting-point solution and channels a portion of the diluted aerosol to a dilution passage.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a fluid intake chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side.

The invention discloses a self-energy arc extinguishing device, a circuit breaker and an electric power system, the self-energy arc extinguishing device comprises an air compression chamber, an expansion chamber, a first nozzle and a moving arc contact, and a piston pull rod is arranged in the air compression chamber; the expansion chamber is connected with the air compression chamber, and the front end of the piston can extend into the expansion chamber to form a boosting air chamber; the first nozzle is arranged at the end, away from the air compression chamber, of the expansion chamber, and an arc generation area is formed in the first nozzle. The moving arc contact is arranged at the front end of the piston, a first channel is arranged in the moving arc contact, one end of the first channel is communicated with the boosting air chamber, the other end of the first channel faces the arc generation area, a first one-way valve is arranged on the circumferential wall of the boosting air chamber, and the first one-way valve is configured to enable the boosting air chamber to be communicated with the expansion chamber in a one-way mode. The self-energy arc extinguishing device can make full use of expansion pressure caused by arc energy, and the voltage building capacity of the expansion chamber is greatly improved.

A valve unit for an anti-lock braking system has a valve body, a piston, and an elastic element acting on the piston. The valve body has an outlet port, an inlet port, a primary chamber communicating with the outlet port, an expansion chamber with an outflow passage establishing fluid communication between the primary chamber and the expansion chamber, and a bypass passage between the inlet port and the outlet port. The piston is movable in the primary chamber and has a longitudinal through cavity, a first transversal surface facing the outlet port, and a second transversal surface facing away from the outlet port. The first transversal surface has an area smaller than the area of the second transversal surface. The elastic element exerts an elastic force to move the piston away from the outlet port. The valve unit is activatable by pressure of a brake fluid in the primary chamber.

A progressive sealing system for a reciprocating machine includes a pressure breaker having a first seal, and one or more additional seals between the pressure breaker and an end plate. One or more seal housings hold the seals between the first seal and the end plate. The end plate couples the progressive sealing system to a housing of a cylinder of the reciprocating machine such that a surface of the first seal faces a chamber of the cylinder. A housing for the second one of the seals includes a bore having an inner surface. The inner surface of the bore of the second seal housing and an outer surface of a rod of the reciprocating machine define an annular space when the rod is received in the bore. The packing case includes an expansion chamber adjoining the annular space.

The invention relates to the technical field of automobile noise reduction, in particular to an active noise reduction composite silencer which comprises a containing shell, a plurality of partition plates are arranged in the containing shell and divide an inner cavity of the containing shell into a pressure relief cavity, a head noise reduction cavity, an expansion cavity, a tail noise reduction cavity and a cavity, an air inlet pipe is connected to the containing shell, and the front partition plate and the rear partition plate are removed. And a first-stage noise reduction mechanism and a second-stage noise reduction mechanism are arranged in the head noise reduction cavity and the tail noise reduction cavity correspondingly, a high-pressure pneumatic valve is further arranged in the head noise reduction cavity, a first exhaust pipe and a second exhaust pipe are arranged in the containing shell, and perforated passive noise reduction mechanisms are arranged on the first exhaust pipe and the second exhaust pipe. The first-stage noise reduction mechanism plays a leading role in low-frequency noise reduction, and the second-stage noise reduction mechanism plays a leading role in high-frequency noise reduction, so that in the actual driving process, waste gas noise generated in different driving states of an automobile can be dynamically adapted through the first-stage noise reduction mechanism and the second-stage noise reduction mechanism.

A system and method in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. In further embodiments, a system and method is offered for harnessing fields created by a system having rotating rotors and / or disks having waveform patterns on at least one side to produce current within a plurality of coils. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms axially aligned around a horizontal center of the system.

The invention relates to the technical field of generator sets, and discloses a multifunctional portable generator set which comprises a sound insulation shell and further comprises a buffer device arranged at the bottom of an inner cavity of the sound insulation shell, a diesel generator set is fixedly installed at the top of the buffer device, and an exhaust silencing mechanism is fixedly connected to an exhaust port in the right side of the diesel generator set. The right side of the sound insulation shell is fixedly connected with a ventilation and noise elimination mechanism, the noise elimination assembly is arranged, the baffles are arranged in the axial direction of the installation barrel at gradually-changing intervals, and the installation barrel is divided into a plurality of expansion chambers with the lengths gradually decreased in the airflow direction. When diesel engine tail gas enters the expansion chamber from the round pipe or enters the round pipe from the expansion chamber, the sectional area of the flow channel is suddenly expanded or shrunk, acoustic impedance mutation is formed, and exhaust noise is effectively reduced. In addition, due to the fact that the lengths of the expansion chambers are distributed in a gradually-changing mode, the silencing assembly can cover low-frequency noise in a wider frequency range, and the noise reduction effect on the low-frequency noise is improved.

The utility model provides a wheel speed reducer, and belongs to the technical field of speed reducers. The technical problem that an existing wheel speed reducer is large in oil leakage probability is solved. A wheel speed reducer comprises a box body and an upper cover, a mounting cavity for mounting a worm and a worm gear is formed in the box body, the worm gear is fixedly connected with a rotating shaft, the rotating shaft extends out of the upper cover, the upper end of the box body is fixedly connected with an expansion chamber, and the expansion chamber comprises two parallel flat plate parts and an arc part smoothly connected with the two flat plate parts. An expansion cavity similar to the expansion chamber in shape is formed in the expansion chamber, and an elastic expansion piece is arranged between the expansion cavity and the installation cavity. The expansion chamber has an air hole. The expansion chamber is composed of a flat plate part and an arc part to form a long-strip column shape matched with the maximum space of the box body, and the expansion chamber has the equal wall thickness, so that the expansion cavity is similar to the expansion chamber in appearance, and the capacity is larger. The elastic expansion piece expands and contracts along with the change of air pressure, the running internal pressure is adjusted by adjusting the volume in the mounting cavity, the service life of the oil seal is prolonged, and the probability of oil leakage is reduced.

This invention relates to the field of magnetic bearing technology, solving the problem of magnetic levitation bearings being easily damaged by impurities and particulate matter. It proposes a magnetic bearing purification and protection system, including a magnetic levitation bearing installed in an expander. The magnetic levitation bearing is connected to a main shaft, which is fixedly connected to an impeller in the expansion chamber of the expander. An air chamber is provided around the expansion chamber, connected to it via an air inlet perpendicular to the impeller shaft. The air outlet direction of the expansion chamber is along the impeller shaft towards the outside of the expander. The impeller is equipped with a throttling orifice device to remove impurities from the magnetic levitation bearing. The inlet of the air chamber is connected to a filter purification device to remove impurities and particulate matter from the gas. This invention ensures the stable operation of the magnetic levitation bearing and the safe operation of the system.

The embodiment of the invention provides a total station for cadastral surveying and mapping, and relates to the technical field of total stations. A total station for cadastral surveying and mapping comprises a main machine, expansion films are oppositely arranged above the main machine, the expansion films are connected through a supporting rod capable of rotating in a storage box, one end of the supporting rod is connected with a rotating seat connected with the inner wall of the storage box, and expansion cavities are formed in the expansion films; second air outlets evenly formed in the peripheral face of the supporting rod are communicated with the expansion cavity, a piston pipe is fixed to the bottom face in the storage box, an air pipe is connected from the other end of the piston pipe to the interior of the supporting rod, and a pressurizing rod moving along with the supporting rod is arranged inwards from an opening in one end of the piston pipe. After the motor is started, the worm drives the worm wheel through the worm, and the supporting rod is driven to turn upwards. And then the air flow enters the supporting rod through the air pipe and then enters the expansion cavity through the second air outlet, so that the expansion film expands and is flatly laid above the main machine, and the sunshade effect is achieved.

The present invention discloses an annular cylindrical workpiece, a polishing platen, a polishing device, and a method for controlling a polishing surface profile. The method comprises: an expansion chamber disposed between a support plate and a polishing plate; one end of the expansion chamber is connected to a pressure control source; the pressure control source varies an output load based on the axial length of an outer wall of the expansion chamber, the bending stiffness of the outer wall, the wall thickness of the outer wall, the elastic modulus of the outer wall, and the Poisson's ratio, thereby varying the deflection of the outer wall; the outer wall of the expansion chamber is configured to transmit a torque to the polishing plate when the deflection increases, thereby deforming the polishing surface profile of the polishing plate. The present invention achieves the technical effect of reducing the difficulty of controlling the polishing surface profile while improving the accuracy of controlling the polishing surface profile.

The utility model provides a liquid expansion mandrel fixing device for processing a hard chromium plated ball, which belongs to the technical field of hard chromium plated ball processing, and comprises a mandrel main body, and the inner part of the mandrel main body is divided into cavities and is used for realizing uniform expansion; a filling hole is formed in one side of the core shaft main body and is used for filling a hydraulic medium into the core shaft main body; a sealing screw is arranged at an opening of the filling hole; an expansion chamber and a compression chamber are arranged in an inner cavity of the mandrel body, the compression chamber is arranged on one side of a center shaft of the mandrel body, and a linkage structure is arranged in the compression chamber and used for clamping a ball. The utility model provides a liquid expansion mandrel fixing device for processing a hard chromium plated ball, which can solve the problems that the clamping force is concentrated on a local area and a plating layer is easy to crush due to the single-cavity design of the existing liquid expansion mandrel.

A double membrane pump having a casing and a piston rod movably received in the casing, the casing having at least one inlet opening and at least one outlet opening, and a first membrane is arranged at one end of the piston rod and a second membrane is arranged at the other end of the piston rod. The first membrane is arranged in a first chamber of the double membrane pump and the second membrane is arranged in a second chamber. The membranes are designed to separate the chambers into a product chamber and an expansion chamber respectively. The pump has a drive device for bringing about a translational movement of the piston rod. The double membrane pump has a piston rod which is designed to perform a self-regulated, oscillating movement and thus enables simplified control of the membranes.

The invention discloses a denitration, desulfurization and noise elimination integrated purification system for a ship. The system comprises a cylindrical shell, and the interior of the cylindrical shell is divided into two cavities, namely a first expansion cavity and a second expansion cavity, by a perforated plate and a perforated pipe which are fixed to the cylindrical shell; the perforated pipe serves as an inner electrode, the cylindrical shell serves as a grounding electrode, an annular space among the perforated plate, the perforated pipe and the aluminum oxide ceramic serves as a discharge area, and the first expansion cavity and the second expansion cavity serve as an absorbent premixing and primary silencing unit and a plasma reaction and secondary silencing unit respectively. And a chemical absorption unit and a waste liquid collection unit are arranged at the downstream of the plasma reaction and secondary silencing unit in the tail gas flowing direction. According to the system, the two stages of expansion cavities and the tubular electrodes installed on the perforated plate form a composite noise elimination structure, and remarkable noise reduction is achieved. The device has the outstanding advantages of being compact in structure, light in weight, free of catalyst dependence, efficient in working in a wide temperature range and the like, and has a good reduction effect on harmful gas in low-temperature flue gas of a ship engine.

The present invention relates to a Stirling engine and provides a composite heat source Stirling engine heat collection system, comprising a heating cavity, a heating tube cluster, a combustion heating device and a flue gas outlet, wherein the heating tube cluster is surrounded by the heating cavity arranged outside the heating cavity, the outer wall of the heating cavity is a light-transmitting layer, a solar energy concentrating heat collection device is arranged outside the light-transmitting layer to concentrate sunlight and enable it to pass through the light-transmitting layer to heat the working fluid in the heating tube cluster, the heating cavity is provided with the combustion heating device and the flue gas outlet, the heating tube cluster is formed by arranging a number of heating tubes, the working fluid inlet of the heating tube cluster is connected to a regenerator, and the working fluid outlet of the heating tube cluster is connected to an expansion chamber. The composite heat source Stirling engine heating system of the present invention can enable the Stirling engine to work all day and night, making up for the unstable and discontinuous characteristics of solar energy and improving the reliability of the Stirling engine.

The utility model discloses a heat exchange system and a vehicle, and relates to the technical field of vehicles, the heat exchange system comprises an expansion box, the interior of the expansion box is provided with two mutually independent expansion cavities, one of the two expansion cavities is communicated with a first heat exchange loop, and the other of the two expansion cavities is connected with a second heat exchange loop; the driving pump is provided with two runners which are independent of each other, one of the two runners communicates with the first heat exchange loop so as to drive the heat exchange medium to flow in the first heat exchange loop, and the other runner communicates with the second heat exchange loop so as to drive the heat exchange medium to flow in the second heat exchange loop; and the other one of the two flow channels communicates with the second heat exchange loop so as to drive a heat exchange medium to flow in the second heat exchange loop. According to the technical scheme provided by the utility model, a traditional pure electric liquid cooling vehicle type cooling system is simplified.

The invention particularly relates to a flow dividing assembly and heating and ventilation equipment. The flow dividing assembly comprises a distributor and a second connecting pipe. The distributor is provided with an inflow hole, an expansion cavity and a plurality of flow dividing holes which are formed in sequence, and the inflow hole communicates with the flow dividing holes through the expansion cavity. And at least part of the second connecting pipe penetrates through the inflow hole and extends to the insertion section in the expansion cavity. In the direction from the inflow hole to the diversion hole, the first end of the insertion section is used for allowing a refrigerant to flow in, the second end of the insertion section is in a closed state and located in the expansion cavity, a plurality of outflow holes are formed in the circumferential direction of the insertion section, and the inflow holes are located in the expansion cavity and spaced from the second end of the insertion section. According to the flow dividing assembly, the blind pipe structure at the second end of the insertion section is used for mixing the backflow effect caused by flowing of gas and liquid refrigerants at the inlet, the effect of fully mixing the gas and liquid refrigerants is achieved, and the problems of bias flow caused by non-uniform distribution of the refrigerants in the inflow pipe and non-uniform mixing of the refrigerants in an old distributor are solved.

This invention discloses an ejection device with an adjustable expansion chamber volume, comprising: a base support, a launch tube, and an ejection controller. The launch tube is mounted on the base support, the expansion chamber is located at the rear of the launch tube, the directional device is located at the head of the launch tube, and the combat load is set inside the directional device. The expansion chamber contains a spring A, a movable base plate, and a limiting device. One end of spring A is connected to the inner bottom surface of the closed end of the expansion chamber, and the other end is connected to surface A of the movable base plate. The limiting device is used to limit the movable base plate. A cavity is formed between surface B of the movable base plate and the bottom surface of the combat load. The ejection controller controls the ejection power source to generate a working medium, which is released into the cavity to generate pressure, thereby ejecting the combat load. This invention can dynamically adjust the expansion chamber volume according to the expansion chamber pressure during the ejection process, reducing overload on the load, avoiding adverse effects on the electronic components of the load, and also reducing the recoil generated by the ejection, thus achieving miniaturization of the ejection device.

The invention discloses an impedance silencing device and a working method thereof.The device comprises a silencer barrel, an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are located at the two ends of the silencer barrel, the impedance silencing device is characterized by further comprising a silencing assembly and a flow guide mechanism, the silencing assembly and the flow guide mechanism are arranged in the silencer barrel, the inner diameter of the air inlet pipe is gradually increased in the airflow direction, and the outer diameter of the air outlet pipe is gradually increased in the airflow direction. The inner diameter of the air outlet pipe is gradually reduced in the airflow direction, and the air inlet pipe, the silencer barrel and the air outlet pipe form an expansion chamber structure. The silencing assembly comprises silencing plates which are fixedly arranged in the silencer barrel and divide an inner cavity of the silencer into a plurality of silencing channels connected in parallel. The flow guide mechanism comprises a flow guide cone arranged on the air inlet pipe, the flow guide cone is connected with a control assembly used for controlling the flow guide cone to move in the axial direction of the silencer barrel, the problem that the silencing performance and operation energy consumption of a fixed silencer cannot be considered at the same time under the variable working conditions is solved, and self-adaptive broadband efficient silencing and energy-saving operation are achieved.

The four-turbine double-exhaust-port diesel engine comprises a silencer body, a left air inlet cavity, a middle cavity and a right air outlet cavity are formed in the silencer body, the left air inlet cavity is provided with two air inlet pipes, the middle cavity is provided with two perforated pipes, and the right air outlet cavity is provided with two air outlet pipes; the two ends of the perforated pipe are connected with the left air inlet cavity and the right air outlet cavity respectively, and a first partition plate is arranged in the middle of the perforated pipe. The silencer is reasonable in structural design, and the flowing direction of gas in the silencer is the gas inlet pipe, the left side gas inlet cavity, the left side of the perforated pipe, the middle cavity, the right side of the perforated pipe, the right side gas outlet cavity and the gas outlet pipe in sequence. Noise reduction is carried out through an expansion cavity with the size larger than two times of the size of a single-inlet-single-outlet silencer, and the noise reduction effect is greatly improved.

The utility model discloses a steam jet pump, including the pump body and its inside chamber, the chamber inside is provided with mixing chamber, compression chamber, throat pipe and expansion chamber in proper order, and the communicating pipe is communicated with the chamber on the pump body, and the steam inlet and steam outlet of pump body and the communicating pipe are all set up a plurality of groups of through -hole for bolt to pass through on the one end away from the pump body, and the through -hole all is provided with fixed cylinder, and the fixed cylinder is provided with the locating cylinder, and the locating cylinder is provided with internal thread in, and the locating cylinder is located fixed cylinder outside one end and is equipped with gear, and the steam inlet and steam outlet and the communicating pipe each side to the pump body is provided with drive ring, and the drive ring inner wall is provided with the rack that is engaged with the gear, and the conventional pump body's each interface is all provided with a plurality of groups of bolt nut and is connected and is installed, and personnel one one is very troublesome to tighten and dismount, and it is not convenient when replacing maintenance, the utility model discloses can improve the dismounting efficiency of pump body butt joint.

An embodiment of the present invention provides a muffler and an engine. The muffler includes an intake pipe, a muffling chamber, a first expansion chamber, a first baffle plate, and a first resonance chamber. The outlet end of the intake pipe penetrates the inlet of the muffling chamber in a gapless manner and is installed on the muffling chamber in a manner opposite to and communicating with the inlet of the first expansion chamber. The closed end of the first expansion chamber penetrates the first through hole of the first baffle plate disposed inside the muffling chamber and is placed inside the muffling chamber. One end of the first resonance chamber with an outlet is used as the first end and penetrates the outlet of the muffling chamber in a gapless manner, and the second end is in complete contact with the closed end of the first expansion chamber. Applying the solution provided by the embodiment of the present invention can improve the service life without being affected by the ambient temperature.

The utility model discloses a broadband reactive muffler, an engine exhaust system and a general gasoline engine, the broadband reactive muffler comprises a muffler shell with an expansion cavity and a Helmholtz resonance muffling piece arranged in the muffler shell, an inner partition plate is arranged in the muffler shell in the radial direction, and the inner partition plate is arranged in the muffler shell in the radial direction; the expansion chamber is divided into a first chamber and a second chamber by the inner partition plate, a mounting through hole is formed in the middle of the inner partition plate, and the Helmholtz resonance silencing part is mounted in the mounting through hole; the two ends of the Helmholtz resonance silencing part are embedded into the first cavity and the second cavity correspondingly, and the first cavity and the second cavity are communicated through the Helmholtz resonance silencing part. On the premise of ensuring that the mounting space of the silencer is not increased and no sound-absorbing cotton is arranged, the silencing frequency range of the reactive silencer is effectively expanded.