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WO/2002/053880A2 |
A valve manifold (54) controls hydraulic flow in a hydraulic system for an air compressor unit. The manifold (54) includes a pressure relief valve (1), a cold oil bypass valve (2), a proportional flow valve (3), and an anti-cavitation va...
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WO/2002/031320A1 |
A Rankine cycle device of an internal combustion engine, comprising a first Rankine cycle (2A) operated on a first working medium and a second Rankine cycle (2B) operated on a second working medium, the first Rankine cycle (2A) further c...
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WO/2002/012725A2 |
A pump has a pump assembly for pumping fluid. The pump assembly includes a fluid pressure changing mechanism in fluid communication with a valve plate which is in fluid communication with a port plate. A pair of flappers are interposed b...
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WO/2002/010590A1 |
A resonator pump system (10) includes a resonating structure (14) configured for resonating, and a fluid pump (18) coupled to and driven by the resonating structure. An energy source (60) is operatively coupled to the resonating structur...
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WO/2001/079695A1 |
The invention relates to an oscillating piston pump (1), in particular to an oscillating piston vacuum pump. The invention aims to create a range of pumps of this type comprising members which exhibit a different final pressure behaviour...
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WO/2001/073293A1 |
A multistage compressor, wherein the refrigerant compressed by a pre-stage compression element (30) is delivered from a noise reducing chamber (35) into an enclosed container (10), led to a post-stage compression element (40) through a p...
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WO2001024941A9 |
A portable tool box (10) for an air-powered tool (28) includes a container (11) having a lid (12) and an air vent (20). Within the container (11) there is an electrically operated air compressor (19), a pneumatic hose (29) and the tool (...
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WO/2001/051812A1 |
A pump (16) has a clamshell housing (12, 14) with walls (34, 36, 46, 50, 52) that come together and seal to create chambers (22, 24) which contain a pressure difference relative to ambient pressure.
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WO/2001/044635A1 |
The invention relates to a compressor system for producing compressed air. Said system is comprised of a compressor which is driven by an internal combustion engine, which is connected to compressed air tapping points via a line, and to ...
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WO/2001/031202A1 |
The invention relates to a multistage compressor unit which comprises at least two different compressor elements (1 and 2) driven by means of separate electric motors (3, 4) with an adjustable speed, whereby the outlet (8) of a compresso...
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WO/2001/012983A1 |
The invention concerns a transport network comprising a fleet of motor vehicles (14, 24) each of which uses, for its propulsion, a self-contained onboard compressed gas source, in particular compressed air, and at least one compressed ai...
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WO/2001/004493A1 |
The invention relates to the conversion of an internal combustion engine to a piston compressor (1; 26) and to such a piston compressor (1; 26). The cylinder head (3; 30) of an internal combustion engine with at least one cylinder is rem...
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WO/2001/000998A1 |
The invention relates to a device for generating, accumulating and discharging compressed air, comprising a motor (14) which drives a compressor (12) and an air chamber which is connected downstream (10). The air chamber (10) is connecte...
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WO/2000/070222A1 |
The invention relates to a piston vacuum pump (1), comprising a housing (13), with cylinders arranged therein. The invention also comprises pistons in the cylinders and a common crankshaft (11) for the pistons. In order to achieve a simp...
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WO/2000/046504A1 |
A mounting arrangement for a hermetic compressor, comprising a shell (10) formed of a metallic plate and incorporating tubular projections (12) with the upper end (12a) opened to the inside of the shell (10) and with the lower end (12b) ...
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WO/2000/046557A1 |
The refrigeration system (10) includes a compressor-pump unit and a liquid pump (21) between a condenser (18) and an expansion device (12) which improves efficiency of the refrigeration system by increasing the pressure of, thus subcooli...
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WO/2000/045085A1 |
A bottom entry pumping system for liquids, particularly cryogenic liquids, is described which includes a container with an outer wall, which may be concrete and/or metal, and an optional inner metal liner. A line is provided for transpor...
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WO/2000/034655A1 |
A hydraulic compressor arrangement includes hydraulic rams A and B with associated non-return valves (13 and 16). A hydraulic pump (7), typically electrically operated, provides a pressurised fluid source to operate rams A or B to allow ...
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WO/2000/034656A1 |
A reciprocating compressor capable of producing a steady-state, continuous, non-pulsing outflow at volumes less than 25 gallons per hour. The compressor utilizes at least two pistons driven in a near axial manner with any lateral forces ...
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WO/2000/020757A1 |
Apparatus comprising a pump or compressor operated by a pull-cord wound around a pulley (9), in which the pulley drives a shaft (11) which drives the pump or compressor, and the pulley is recoiled by means of a retractor type spring (32)...
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WO/1999/047811A1 |
The invention relates to an apparatus for high pressure pumping or homogenizing liquids. The apparatus comprises a drive motor (1) with transmission mechanism and a pump section. The transmission mechanism comprises a belt train (6), a g...
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WO/1999/002863A1 |
The present invention relates to a compressor assembly that comprises a compressor (12) cooled by water injection into water-cooling circuit (20) as well as a measuring device (30) located in the water-cooling circuit (20) for determinin...
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WO/1998/006614A1 |
An energy supply (1) has a compressor (2) for supplying compressed air to at least one compressed air consumer (4). At its output, the compressor (2) is connected to a pneumatically switched outlet valve (7). Two pressure regulating valv...
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WO/1997/043585A1 |
A primary compressor (12) and a booster compressor (10) connected in series are presented. A first conduit (14) connects the low side of a heating/cooling or refrigeration system to the inlet (18) of the booster compressor (10), the outl...
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WO/1997/016648A1 |
A single screw compressor having at least two pumping chambers (10A, 10B) of variable volume formed in the flutes of a screw, each of which receives fluid to be compressed from a primary inlet (14:34) when the respective pumping chamber ...
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WO/1997/016647A1 |
A method of operating a compressor arrangement having at least two pumping chambers of variable volume, each of which receives fluid to be compressed from a primary inlet when the respective pumping chamber has a first volume at least cl...
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WO/1997/016649A1 |
A method of improving the efficiency of a pair of first and second scroll refrigeration compressors, at least the second of which includes an intermediate port is characterised in that the delivery of the first scroll compressor is fed i...
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WO/1997/011274A1 |
Device and method for the regeneration of a drying agent in compressed air system. The wetting degree of the drying agent is estimated and recorded by a control unit. The control unit ensures that the drying agent is dehumidified as soon...
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WO/1996/016271A1 |
The invention relates to a method of controlling a fluid compression system, said compression system comprising at least one compression means (1) for compressing a fluid medium, means for taking said compressed medium to a point of dema...
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WO/1996/010903A2 |
By a universal valve connector for inflation valves of vehicle tyres (Sclaverand, Dunlop-Woods, or Schrader), whose connector consists of a connector housing (368), which partly is connected to a pressure source, preferably a hand or foo...
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WO/1996/002751A1 |
A housing has a crank chamber (2a) and a cylinder bore (1a). In addition, the housing has a discharge chamber (3b) and an intake chamber (3a) which can communicate with the cylinder bore (1a). A driving shaft (4) is supported on the hous...
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WO/1995/028570A1 |
The invention relates to a drive arrangement with an endless drive component (1) running around a drive gear (2) of a motor (3) and a driven gear (4) of a working machine (5) and with a tensioner for the drive component (1), in which the...
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WO/1995/022474A1 |
Device for charging a truck pneumatic system (HL) for the air-brake system or the air suspension, for example. The truck has at least one compressor (8) for supercharging combustion air to its internal combustion engine (1). Said compres...
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WO/1992/009792A1 |
The invention relates to an internal combustion engine with compressor function. One or more of the cylinders of the engine has an extra exhaust valve (11, 12) in the cylinder head. The engine has a fuel injection system with electric un...
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WO/1991/015895A1 |
A power plant (10) for generating electric power and pneumatic pressure is disclosed which includes an internal combustion engine (20), an electrical generator (24), and a compressor (28) and pneumatic supply tanks (40). Both the electri...
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WO/1991/005166A1 |
Vacuum pumping group comprising a secondary pumping subassembly (6) rotationally driven by an electric motor M2 and sucking from the housing to be vacuumed (1), and a primary pumping subassembly (2) rotationally driven by an electric mot...
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WO/1990/007061A1 |
Pumping system for obtaining high vacuum comprising a primary pump (4) and a secondary pump (1), associated in series whereby the secondary pump draws in gas from a chamber (3) and comprising means (7) for starting the secondary pump (1)...
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WO/1989/012169A1 |
A vacuum pump unit arranged on a transportable support frame (1) consists of at least one liquid ring pump (2) coupled to the shaft of a drive motor (3), a cooler (5) and a separating container (4) for the operating liquid of the liquid ...
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WO/1988/002065A1 |
During starting and, possibly during partial loading, the diesel internal combustion engine operates in a so-called partial mode, meaning that several cylinders (7 to 12) act in compression without a fuel feed and feed compressed air to ...
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WO/1987/003650A1 |
A pneumatic vibratory diaphragm pump, having a casing (12, 14) comprising an upper chamber (17) having an inlet (59) by which air can be drawn from outside the casing and a lower chamber (16) having an outlet (N) from which air can issue...
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WO/1986/006140A1 |
A portable air pump has a housing (10) formed with internal walls (30, 31) that partition two compartments, one of which is accessible from ambience through a door (20). A flexible air hose (56) is compactly stowed in the accessible comp...
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WO/1984/002969A1 |
A cryogenic storage tank (10) with a built-in pump for pumping cryogen directly from the primary storage container consistent with low boil-off losses of cryogen has an outer vessel (12), an inner vessel (14) and an evacuated insulation ...
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WO/1984/001001A1 |
A pump system for pumping a first fluid from a source to a storage facility (126) comprising a multiple-stage small temperature differential heat-powered pump (124), a second fluid heater (123) operable to heat a second fluid to a fixed ...
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WO/1979/000199A1 |
Construction of pistons compressors of the under tight housing type. The specific overhead of the compressor (3) is completed by a whole set of parts from a series internal combustion engine (2), the compressor being driven through the t...
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JP7462878B2 |
To provide an air compressor which can promote an effective use of an air compressor, an external terminal device, a computer program and a system.An air compressor (1) comprises: a motor; a compression mechanism driven by the motor and ...
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JP7461255B2 |
To properly cool a compressed gas by low-consumption power while preventing overcooling.A heat exchanger 51 and a cooling fan 52 for introducing a cooling wind to the heat exchanger are arranged at a supply flow passage 40 of a capacity-...
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JP2024514765A |
A gas compression assembly and hydrogen production plant is disclosed. The gas compression assembly has a pressure stage for increasing the pressure of hydrogen. The compression assembly has at least one barrel compressor and at least on...
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JP7458663B2 |
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JP7458531B1 |
The present invention provides an air compressor that can operate stably and has good performance. An air compressor includes a cylinder, a cylinder inner cover, first and second valve groups, and a cylinder outer cover. The air outlet e...
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JP7456265B2 |
To provide a gas compressor capable of setting a range where a compression part can move with respect to a support part independently in a direction along a rotational shaft and in a direction intersecting the rotational shaft.A gas comp...
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