Patents for F04B 25 - Multi-stage pumps specially adapted for elastic fluids (1,208)
12/2011
12/07/2011EP2392825A2 Method for controlling the operation of a multistage boil-off gas (BOG) compressor
12/07/2011EP2391826A2 Unloader system and method for a compressor
12/07/2011CN102272451A 斜盘式压缩机 Swash plate type compressor
12/07/2011CN102272450A 具有旋转阀的斜盘式压缩机 Having a rotary valve swash plate type compressor
11/2011
11/30/2011CN202056020U 二级增压卧式车载空气压缩机 Horizontal two-car booster air compressor
11/30/2011CN202056019U 高转速活塞式气体压缩机 High speed piston gas compressor
11/16/2011EP2296962B1 Device and method for preparing liquefied natural gas (lng) fuel
11/10/2011WO2011081381A3 Reciprocating compressor
11/10/2011WO2011078547A3 Variable capacity compressor
11/10/2011US20110274563 Dosing pump
11/02/2011EP1315906B1 Piston compressor comprising a crankshaft whose mass is dynamically compensated, in particular for rail vehicles (detachable compensatory mass)
11/01/2011US8047818 High pressure, multiple-stage air pump with valve body inlet port arrangement
11/01/2011US8047809 Modular air compression apparatus with separate platform arrangement
10/2011
10/19/2011CN101233318B Compressor, particularly piston compressor
10/05/2011CN202001247U Air separating compressor
09/2011
09/22/2011WO2011065693A3 Displacement control valve for variable displacement compressor
09/15/2011WO2011111935A2 Variable-displacement swash plate compressor
09/15/2011WO2011069494A3 Continuously conveying infusion pump
09/14/2011CN201972878U 四级往复活塞式高压空气压缩机 Four reciprocating piston high-pressure air compressor
09/14/2011CN201972877U 三级往复活塞式高压空气压缩机 Three reciprocating piston high-pressure air compressor
09/07/2011CN101476552B Multi-cylinder translation compression device
08/2011
08/31/2011EP2252794B1 Method and device for supplying a compressor in an internal combustion engine with compressed air
08/31/2011EP2229531B1 Compressor and apparatus for compressing two gases at high pressure
08/18/2011US20110200455 Compressed-air compressor and method of operation
08/17/2011CN102155396A Installation for high pressure compression with several stages
08/17/2011CN102155382A Compact-type natural gas compressor
07/2011
07/20/2011CN201902303U Two-stage compressor with water melting and collection functions
07/14/2011WO2011011900A3 Multichamber and motor pump with several chambers for motor pump
07/14/2011US20110171044 Multi-stage reciprocating compressor
07/13/2011CN102121468A Multi-stage transmission rod compressor
07/07/2011WO2011081381A2 Reciprocating compressor
06/2011
06/30/2011WO2011078547A2 Variable capacity compressor
06/29/2011CN102108957A Skid-mounted compressed natural gas (CNG) compressor set
06/16/2011WO2011069494A2 Continuously conveying infusion pump
06/15/2011EP2333335A1 Portable hydraulic pump group for operating tools
06/15/2011CN102094785A Miniature piston air pump without oil lubrication
06/08/2011CA2732482A1 Fluid compression system
06/03/2011WO2011065693A2 Displacement control valve for variable displacement compressor
06/03/2011WO2011043867A3 Method and apparatus for controlling a variable displacement hydraulic pump
06/02/2011US20110127017 Heat dissipation device and fan module thereof
05/2011
05/19/2011US20110116939 Rotary pump device and vehicle brake control system
05/18/2011CN201836013U Natural gas compressor and exhaust temperature control device
05/18/2011CN102066752A Reciprocating compressor with rotary valve
05/11/2011CN201827046U Natural gas compressor and oil temperature control device
05/11/2011CN102052279A High-speed piston type gas compressor
05/04/2011CN102046971A Method and device for conveying compressed gas
04/2011
04/21/2011WO2010151021A3 Reciprocating compressor
04/21/2011WO2010151019A3 Check valve and compressor having the same
04/20/2011EP2312159A2 Drive unit for compressor and refrigerator
04/20/2011CN201802575U Hydrogen compressor
04/20/2011CN101421514B Reciprocating-piston compressor having non-contact gap seal
04/14/2011WO2011043867A2 Method and apparatus for controlling a variable displacement hydraulic pump
04/14/2011US20110085922 Converter for Converting Mechanical Energy Into Hydraulic Energy and Robot Implementing Said Converter
04/13/2011EP2227636B1 Multi-level membrane suction pump
03/2011
03/30/2011EP2300713A1 Method and device for conveying compressed gas
03/23/2011EP2296962A1 Device and method for preparing liquefied natural gas (lng) fuel
03/17/2011WO2010137812A3 Capacity control valve of variable capacity compressor
03/09/2011EP1915532B1 High-pressure gas compressor and method of operating a high-pressure gas compressor
03/03/2011WO2011023085A1 Automatic inflation and constant pressure device for elastic container
02/2011
02/17/2011US20110038737 Multi-stage compressor
02/17/2011DE10321771B4 Verfahren zur Leistungsbegrenzung eines mehrstufigen Kompressor und Kompressor zur Durchführung des Verfahrens A method for limiting the power of a multistage compressor and compressor for carrying out the method
02/10/2011WO2011016589A1 Displacement control valve of variable displacement compressor
02/09/2011CN201739117U Acetylene compressor
02/09/2011CN201739116U Combined gas piston compressor
02/09/2011CN101970291A Device and method for preparing liquefied natural gas (lng) fuel
02/03/2011CA2769353A1 Ultra high pressure pumps
02/02/2011CN201730788U Oilless lubrication air compressor host
01/2011
01/12/2011CN201705620U Self-circulating water-cooled air compressor
01/12/2011CN101943152A Multistage compressor and oscillating piston
12/2010
12/30/2010US20100329896 Multistage pressure condenser
12/30/2010US20100329895 Multistage compressor installation
12/29/2010WO2010151021A2 Reciprocating compressor
12/29/2010WO2010151019A2 Check valve and compressor having the same
12/22/2010CN201679673U Multi-stage driving rod compressor
12/22/2010CN101922430A High-low-pressure dual-purpose piston type air compressor as network yarn air source in terylene production process
12/16/2010DE112008003121T5 Taumelscheibe-Verdichter mit variabler Verdrängung Swash plate compressor with variable displacement
12/14/2010US7850435 Fuel injection device for an internal combustion engine
12/08/2010CN201666239U Two-stage compressor
12/07/2010US7845190 Transcritical refrigeration cycle
12/02/2010WO2010137812A2 Capacity control valve of variable capacity compressor
12/02/2010US20100303645 Reciprocative Compressor
11/2010
11/25/2010WO2010088271A3 Unloader system and method for a compressor
11/24/2010EP2253845A2 Method for regulating multi-layer linear compactors
11/24/2010EP2252794A1 Method and device for supplying a compressor in an internal combustion engine with compressed air
11/23/2010CA2460869C High pressure pump system for supplying a cryogenic fluid from a storage tank
11/17/2010CN101885306A Nitrogen supercharging vehicle
11/10/2010CN101883924A Multi-level membrane suction pump
11/09/2010US7828530 Electric motor pump for swimming pool maintenance
11/03/2010EP2246567A1 Piston compressor
10/2010
10/21/2010US20100266426 Increased volumetric capacity of axial flow compressors used in turbomolecular vacuum pumps
10/20/2010CN101865110A Air respirator filling pump with cylinder body being provided with cooling device
10/14/2010US20100258196 Arrangement of multiple pumps for delivery of process materials
10/13/2010CN101858324A Combined gas piston compressor
10/12/2010US7811065 Vacuum pump for differential pumping multiple chambers
09/2010
09/30/2010WO2009100884A8 Method and device for supplying a compressor in an internal combustion engine with compressed air
09/23/2010WO2010077119A3 Variable displacement swash plate type compressor
09/23/2010US20100237620 Turbine assembly
09/23/2010DE112008003118T5 Verdichter mit variabler Verdrängung mit Kältemitteldurchfluss durch die Antriebswelle Variable displacement compressor with refrigerant flow through the drive shaft
09/22/2010EP2229531A1 Compressor and apparatus for compressing two gases at high pressure
09/22/2010CN201588762U Screw compression and piston compression tandem-type air compressor
1 2 3 4 5 6 7 8 9 10 11 12 13