36 results about "Compressed fluid" patented technology

An inflation control system for an inflatable may comprise a compressed fluid source, a valve module, a temperature sensor, and a controller. The valve module is connected to the compressed fluid source and configured to control a flow of gas to the inflatable. The temperature sensor measures an ambient temperature and outputs the ambient temperature measurement. The controller is operably coupled to the valve module and configured to receive the ambient temperature measurement and determine an open-valve time based on the ambient temperature measurement, the open-valve time being a duration of time the valve module is in an open position.

To provide a cooling / heating system that can enhance durability of a compressor.SOLUTION: A cooling / heating system 1 comprises: a compressor for compressing fluid; a condenser for condensing the fluid compressed by the compressor; an expansion valve for expanding the fluid condensed by the condenser; an evaporator for evaporating the fluid expanded in the expansion valve, and sending it to the compressor; and a heat exchanger 20 comprising a first flow passage 41 through which the fluid sent from the condenser flows, and a second flow passage 42 through which the fluid sent from the evaporator flows, and for exchanging heat between the fluid flowing through the first flow passage 41, and the fluid flowing through the second flow passage 42. The heat exchanger 20 comprises an approaching / separating mechanism 50 for making the first flow passage 41 and the second flow passage 42 approach or separate from each other in accordance with the temperature of the fluid flowing through the first flow passage 41.SELECTED DRAWING: Figure 2

1. Name of the product in this design: Nozzle with flow rate adjustment function. 2. Application of this design: It is used as a nozzle with flow rate adjustment function, installed at the end of the compressed fluid flow path such as the outlet of a spray gun. The flow rate is adjusted by rotating the operating part, the operating part can be locked by the locking nut, and the flow rate can be confirmed by the scale. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention relates to a fluid-supply device comprising a compression apparatus (1) comprising a pumping apparatus with an enclosure (13) intended to contain a bath (16) of cryogenic fluid, a first and a second compression chamber (3), (4), an intake system (2) admitting to the first compression chamber (3), a transfer system (6) transferring between the first (3) and the second (4) compression chamber, a movable piston (5) for ensuring the compression in the first (3) and second (4) compression chambers, a discharge port (7) for discharging the compressed fluid, an overflow orifice (8) for discharging, from the first compression chamber (3), a surplus of liquid trapped in the first compression chamber (3) during a compression movement of the piston (5) in the first compression chamber (3), a collecting pipe (11) having an upstream end connected to the overflow orifice and a downstream end connected to a receiving volume, the receiving volume comprising a tank (10) forming a storage volume that is separated from the bath (16) by at least one wall.

The invention relates to a fluid compression apparatus (1) comprising a sealed enclosure (13) for containing a cryogenic fluid bath (16), a first (3) and a second compression chamber (4), an inlet system (2) for the first chamber (3), a transfer system (6) from the first (3) to the second (4) chamber, the apparatus (1) further comprising a communicating discharge port (7) for the outlet of compressed fluid from the second chamber, the apparatus (1) further comprising a discharge port equipped with a valve (9) for the discharge of the first compression chamber (3) into the bath (16) to allow excess liquid to escape during fluid compression in the first chamber (3), the discharge port communicating with the enclosure (13) via at least one flow restrictor (10) configured to attenuate the velocity and / or intensity of the discharged liquid flow by limiting its pressure drop. Abstract figure: Fig. 1

A compressed fluid driven downhole system 12 comprises a drill string 16 forming a fluid flow path 20. The drill string 16 has an up hole end and a down hole end. A downhole tool 14, which is driven by compressed fluid is coupled to the downhole end of the drill string 16. A valve system 10 is coupled to the tubular at a location up hole of the downhole tool 14. The valve system 10 is operable to selectively: open the fluid flow path 20 allowing compressed fluid to flow to drive the downhole tool 14; and, close the fluid flow path 20 preventing compressed fluid from flowing to and out of the downhole tool 14. Therefore, when re pressurizing the drill string following the connection of a new drill pipe compressed fluid delivered down the dill pipe is prevented from flowing to through downhole tool and into hole until the valve system is opened. The valve system 10 may be controlled to open when the pressure of the compressed gas in the drill string up hole of the valve system reaches a threshold pressure. The threshold pressure may be greater than ambient downhole pressure and less than or equal to an operating pressure of the downhole tool.

A thermal management system for a propulsion system of an aircraft includes a fluid circuit configured to provide a flow of a compressed fluid from a compressor section of the propulsion system to, in serial flow order, a first turbine, a compressor, a second turbine, a thermal load, and an exhaust sink. A heat exchanger is disposed in a fan stream of the propulsion system at a location along the fluid circuit between the compressor and the second turbine. The fluid circuit extends through and is in thermal communication with the heat exchanger.

This refrigeration system is for cooling a heat medium for supplying cooling energy to an object of cooling, and comprises: a turbomachine comprising a turbine, a compressor, and an electric motor; a closed loop including a compressed fluid line for guiding a compressed fluid that has been compressed by the compressor to the turbine, and an expanded fluid line for guiding an expanded fluid that has been expanded by the turbine to the compressor; a cooler for cooling the compressed fluid flowing through the compressed fluid line; a heat medium cooler for transferring heat between the expanded fluid flowing through the expanded fluid line and the heat medium; a regenerative heat exchanger for transferring heat between the compressed fluid having passed through the cooler and the expanded fluid having passed through the heat medium cooler; and an electric motor cooling line for extracting the compressed fluid from between the cooler on the compressed fluid line and the regenerative heat exchanger, and supplying the compressed fluid to a casing accommodating the electric motor.

A braking system and method includes primary and secondary cylinder assemblies. The primary cylinder assembly includes an expandable structure that controls movement of a first piston rod. The secondary cylinder assembly includes a second piston rod disposed within a second cavity of a second housing. A compressed fluid moves from the primary assembly to the secondary cylinder assembly responsive to the expandable structure expanding. The second piston rod moves from a resting state to a compressed state responsive to at least some of the compressed fluid being received by the secondary assembly. A fluid control assembly controls a position of a valve between an open position and a closed position to allow or prohibit the compressed fluid from moving between the primary and secondary assemblies.

A filtration apparatus that can include a filtering device can include disc sectors configured so that a vacuum can be applied to some disc sectors while compressed fluid is passed from a disc sector so that the fluid is passed into and / or through of at least one adjacent disc sector while that at least one disc sector is passed through a bath of the device configured to retain a slurry. Processes to retrofit a pre-existing filter device to include new disc sectors to form an embodiment of the filtration apparatus can include replacing old disc sectors with new disc sectors that are configured so that a vacuum can be applied to some disc sectors while compressed fluid is passed into and / or through at least one adjacent disc sector while that at least one adjacent disc sector is passed through a bath of the device configured to retain a slurry.

The present invention relates to a oscillating piston compressor comprising an oscillating piston (1) received in a working chamber (2) and driven by an eccentric shaft (8), a low-pressure inlet (4) opening into the working chamber (2) for the fluid to be compressed, a high-pressure outlet (5) opening into the working chamber (2) for the compressed fluid, a medium-pressure inlet (6) for fluid at a medium-pressure level which lies between the pressure level of the low-pressure inlet (4) and the pressure level of the high-pressure inlet (5), wherein the medium-pressure inlet (6) is in fluidic communication with the working chamber (2) via a valve controlled by the angular position of the eccentric shaft (8), wherein the valve comprises a weighing element (3) received in a receptacle (71) which is equipped with a valve channel device.which is in fluidic communication with the intermediate pressure inlet (6) and is open or closed depending on the rotational angle of the weighing element (3) relative to the working chamber (2), wherein the valve channel assembly comprises at least one valve channel (323), wherein the valve channel (323) is designed to be pressure-optimized, in particular depending on the desired mass flow level (intermediate pressure level).

The main collecting pipe (3) for a storage and distribution assembly (1) of compressed fluid for a vehicle comprising a plurality of compressed fluid tanks (4) is - a body (6) having a plurality of communication holes (9) configured to be in fluid communication with the tanks, - a distribution path (7) of the fluid stored in the tanks, which is provided in the body and configured to be in fluid communication with the tanks via a solenoid valve (10) and a manual valve (11), - a filling path (8) of the tanks provided in the body, the filling path (8) being configured to be in fluid communication with the tanks and includes. The manual valve is also used to effect fluid communication between the filling path of the tank and the tank.

A cooling system for a gas turbine is disclosed comprising a vortex tube defining a body having an inlet port connectable to a compressor to receive compressed fluid. The vortex tube is configured to separate flow of the compressed fluid into a cold stream and a hot stream. The cooling system further includes a fluidic oscillator in fluid communication with the vortex tube, the first end of which is connected to a cold stream outlet port of the vortex tube to receive the cold stream. The fluidic oscillator is configured to generate at least two oscillator jets of the cold stream, operating at different oscillation frequencies, to produce biaxial pulsating flow oscillations onto a surface of at least one gas turbine blade of the gas turbine. A more efficient cooling system will result from the proposed cooling system's increased cooling impinging surface area and significantly reduced cooling fluid temperature differential.

The present invention relates to a process for transferring heat to a stream comprising NH3, the process comprising: (i) providing a stream comprising a heat transfer medium, wherein the stream has a pressure in the range of from 1 to 100 bar(abs) and a temperature equal to or greater than 105° C.; (ii) increasing the temperature of the stream provided in (i) by transferring heat from a chemical conversion process, from a physicochemical process, or from ambient heat, or from a combination of two or more thereof, to the heat transfer medium, for obtaining a stream having a temperature in the range of from 125 to 750° C.; (iii) increasing the pressure of the stream obtained in (ii), for obtaining a compressed stream having a temperature in the range of from 50 to 800 C; (iv) providing a stream comprising NH3, wherein the stream comprising NH3 has a temperature in the range of from −33 to 100° C.; (v) heating the stream provided in (iv), wherein heating comprises transferring heat from the compressed stream obtained in (iii) to the stream provided in (iv), for obtaining a heated stream comprising NH3 having a temperature in the range of from 25 to 750° C.; (vi) expanding the compressed stream obtained in (v); (vii) optionally recycling at least a portion of the stream obtained in (vi) to (i).

A vehicle includes a main body and at least one wing coupled to the main body. A source of compressed fluid is coupled to the main body. The vehicle further includes first and second thrusters, each said first and second thruster having an intake structure and each said first and second thruster in fluid communication with the source. The first thruster is coupled to the main body and the second thruster is coupled to the at least one wing. The first and second thrusters are positioned, when in a first configuration, such that at least a portion of a boundary layer produced due to motion of the vehicle is ingested by the intake structures of the first and second thrusters. The vehicle further includes a system for selectively providing the compressed fluid to the first and second thrusters.

The invention relates to a fluid compression device comprising a compression chamber accommodating a piston that is able to move between first and second ends of the compression chamber, the device comprising a regeneration circuit connecting the first and second ends of the compression chamber and having a regenerator, the supply pipe comprising a set of one or more valves, the device comprising at least one compressed-fluid discharge pipe comprising an upstream end connected to the compression chamber and a downstream end intended to be connected to a receiver of the compressed fluid, the device comprising a bypass pipe comprising an upstream end connected to the regeneration circuit and a downstream end connected to a recovery member, the bypass pipe being configured to draw a fluid fraction during a regeneration phase during which the piston is moved from the second end towards the first end of the compression chamber.

The application discloses a rigid pressure stabilizing device for a petroleum drilling pump and belongs to the field of petroleum drilling equipment. The device comprises a main flow path formed by a connecting end one and a connecting end two connected to the side of the connecting end one. A gas bag buffer is fixed to the outer surface of the connecting end one, and the liquid inlet end of the gas bag buffer is communicated with the connecting end one. An inner cavity is formed in the connecting end two, and the inner cavity comprises a throat part formed in the middle part of the connecting end two. The gas bag buffer is matched with a throttling assembly to realize the pressure stabilizing function. When the pressure peak value comes, part of the fluid is rapidly compressed and absorbed by the gas bag of the gas bag buffer (energy is stored). Another part of the fluid passes through the throttling assembly, and the kinetic energy of the fluid is converted into heat energy through viscous friction and dissipated. When the pressure trough comes, the stored energy in the gas bag buffer is released, the compressed fluid is pushed back to the main flow path, the pressure of the main flow path is effectively supported and improved, and the trough value is compensated.

The invention relates to a fluid compression apparatus and method comprising first and second compression chambers, an intake system into the first chamber, a transfer system from the first chamber to the second chamber, a piston for ensuring the compression of the fluid in the first and second chambers, and an orifice for discharging the compressed fluid, the intake system comprising one or more valves, the apparatus further comprising a discharge orifice allowing communication between the first compression chamber and the bath to allow surplus liquid trapped in the first compression chamber to leave during a compression movement of the piston in the first compression chamber, the apparatus comprising a discharge valve configured to control the discharge of liquid via the discharge orifice and to prevent fluid from entering the compression chamber via the discharge orifice.

A system and method are disclosed, that allow for the determination of a mass of a fluid within a container by first vibrating an external surface of a container, where the container contains a fluid (such as a compressed fluid, a gas, a liquid, a mixture of a gas and liquid, or a supercritical fluid). Then, vibration data is received at the external surface of the container, and the vibration data is then converted into one or more frequencies. The mass of the fluid in the container is then estimated based on the one or more frequencies.

The application discloses a scroll compressor with independent exhaust passages and belongs to the technical field of compressors. In view of the defects of the traditional scroll compressor center exhaust structure, such as high and low pressure airflow mutual mixing, large exhaust pulsation and low volume utilization rate, the application provides a single-disc multi-scroll structure: the static scroll disc and the dynamic scroll disc are respectively provided with continuous lines and segmented lines, and are engaged to form a plurality of independent exhaust chambers which are isolated from each other; each chamber is connected with an exhaust passage provided with a one-way valve, and the outlet of the passage is uniformly connected with a buffer chamber to stably discharge the compressed fluid. The application effectively avoids the high and low pressure chamber airflow mutual mixing, reduces the airflow loss, improves the effective compression volume and the exhaust displacement under the same external size, reduces the exhaust pulsation, and improves the stability of the whole machine.

There is provided a release valve for releasing fluid from a source of compressed fluid for inflating an inflatable structure, comprising: a housing comprising an inlet for coupling to a source of compressed fluid, and an outlet; a flow chamber disposed within the housing and forming part of a flow path from the inlet to the outlet; a valve member configured to move to a release position to permit fluid to flow from the inlet to the flow chamber; and an actuator and a biasing device, wherein the actuator and the biasing device are disposed in the flow chamber, the actuator configured to move through the flow chamber from an unactuated position to an actuated position to move the valve member to the release position.

The invention relates to a cryogenic fluid compression apparatus (1) comprising a compression chamber (4), an inlet system (6), a piston (5, 15) movable in translation along a longitudinal direction (A) in the compression chamber (4) relative to a fixed structure (24, 25) of the apparatus (1), an outlet (7) communicating with the compression chamber (4) and configured to allow the outlet of compressed fluid, the piston (5) comprising a tubular portion (15) mounted around a fixed central guide (8) connected to the fixed structure (24, 25), the apparatus (1) comprising a sealing system (10) formed between the central guide (8) and the tubular portion (15) of the piston (5), the compression chamber (4) being delimited by the tubular portion (15) of the piston (5) and a terminal end of the central guide (8), the central guide (8) being connected to the structure (24,25) fixed via a support piece (9) received in a longitudinal opening (50) formed in the body of the piston (5, 15) and allowing the relative longitudinal sliding of the piston (5) around the support piece (9). The invention also relates to a filling station comprising such an apparatus. Abbreviated figure: Fig. 1,

The invention relates to a fluid compression apparatus comprising a sealed enclosure intended to contain a bath of cryogenic fluid, a first and a second compression chambers, an intake system for admission into the first chamber, a system for transfer from the first to the second chamber, the apparatus further comprising a communicating discharge orifice for compressed fluid to leave the second chamber, the apparatus further comprising an overflow discharge orifice provided with a valve for discharge from the first compression chamber to the bath so as to let surplus liquid leave during compression of fluid in the first chamber, the overflow discharge orifice communicating with the enclosure via at least one flow retarder configured to attenuate the speed and / or intensity of the discharged liquid flow by limiting its pressure drop.

The present invention relates to a safety device for a free diver, comprising at least one actuator and comprising an electronic device powered by an electrical power source, the safety device further comprising an automatic device for piercing a compressed fluid tank, which automatic device is controlled by the electronic device for inflating an inflatable element, the automatic piercing device comprising a motor element (13) and a piercing element (4) configured to generate a first movement for piercing the tank and a second movement for rearming the piercing element (4).

The invention relates to a fluid compression device comprising a compression chamber housing a piston (5) movable in translation between the first (3) and second (6) ends of the compression chamber, the device (1) comprising a regeneration circuit (7) connecting the first (3) and second (6) ends of the compression chamber and comprising a regenerator (17), the supply line (8) comprising a set of valve(s) (9), the device (1) comprising at least one compressed fluid discharge line (10) comprising an upstream end connected to the compression chamber and a downstream end intended to be connected to a compressed fluid receiver, characterized in that the regeneration circuit (7) comprises, between the regenerator (17) and the first (3) end of the compression chamber,a heat exchanger (15) configured to ensure heat exchange between the fluid flow that has passed through the regenerator (17) and a cold source. Abbreviated figure: Fig. 1,

A foam fire extinguisher with improved eco-friendliness while preventing dust generation is disclosed. A foam fire extinguisher according to one embodiment of the present disclosure may include: a case forming an outer shape; a fire extinguishing agent container disposed inside the case and containing a fire extinguishing agent; a compressed fluid tank disposed inside the case and containing a compressed fluid; and a spray module that mixes the fire extinguishing agent contained in the fire extinguishing agent container and the compressed fluid contained in the compressed fluid tank and sprays them to the outside based on the operation of a lever for controlling the opening of the fire extinguishing agent container and the compressed fluid tank.

A vehicle includes a main body and at least one wing coupled to the main body. A source of compressed fluid is coupled to the main body. The vehicle further includes first and second thrusters, each said first and second thruster having an intake structure and each said first and second thruster in fluid communication with the source. The first thruster is coupled to the main body and the second thruster is coupled to the at least one wing. The first and second thrusters are positioned, when in a first configuration, such that at least a portion of a boundary layer produced due to motion of the vehicle is ingested by the intake structures of the first and second thrusters. The vehicle further includes a system for selectively providing the compressed fluid to the first and second thrusters.

The present invention relates to an apparatus for transferring a fluid, particularly CO2, from a subcritical gaseous state into a supercritical state, the apparatus comprising a compressor unit, a pump unit, a drive unit and a liquefaction unit, wherein the compressor unit and the pump unit are commonly driven by the drive unit, and wherein the liquefaction unit is provided downstream of the compressor unit and upstream of the pump unit, wherein the compressor unit is configured to compress the fluid from a first subcritical gaseous state to a first predetermined pressure level of a second subcritical gaseous state, wherein the liquefaction unit is configured to reduce the temperature of the compressed fluid in the second subcritical state downstream of the compressor unit to a predetermined temperature level such that the fluid is transferred from the second subcritical gaseous state to a liquid state.

A compressor and a multi stack fuel cell are provided with adjustable pressurized fluid inputs. A compressor has a first compressor stage that is configured to take in an intake fluid, compress the intake fluid to a compressed fluid and output the compressed fluid as an output fluid at a first pressure. The compressor further has a second compressor stage that is configured to take in an intake fluid, compress the intake fluid to a compressed fluid, and output the compressed fluid as an output fluid at a second pressure.

An orientation valve, in accordance with various embodiments, is disclosed herein. The orientation valve may comprise a first coupling portion, an insert portion, a second coupling portion, an internal cavity, and a piston. The insert portion may have a first inlet aperture and a second inlet aperture. The second coupling portion may be disposed between the first coupling portion and the insert portion. The internal cavity may be coupled to the first inlet aperture and the second inlet aperture. The piston may be disposed within the internal cavity. The orientation valve may be configured to block fluid flow from a compressed fluid source when an evacuation system is in a stored position. The orientation valve may be configured to fluidly couple the compressed fluid source and the evacuation device when the evacuation system is in a deployed position.