Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 41 - Pumping installations or systems specially adapted for elastic fluids
Patents for F04B 41 - Pumping installations or systems specially adapted for elastic fluids (2,502)
10/2003
10/09/2003WO2003083298A1 Method and apparatus for compressing a gas to a high pressure
10/08/2003EP1351029A2 Method for controlling a set of compressors
10/08/2003EP1350031A2 High pressure portable air compressor
10/01/2003EP0995037B1 Compressor assembly
09/2003
09/30/2003US6626092 Vacuum producing appliance
09/25/2003US20030180156 Air compressor with improved hand portability
09/24/2003CN1444699A 谐振器泵送系统 Resonator pumping system
09/23/2003US6623249 Pump and pumping method
09/17/2003EP1344935A2 A method and a system for controlling a plurality of compressors
09/11/2003DE20309734U1 Gas compressor supplies air and nitrogen via a filter for automotive purposes
09/03/2003CN1439854A Working-fluid circulating system for compressor set
09/02/2003CA2326826C Locomotive air compressor with motor supported by outside bearing
08/2003
08/27/2003EP1135608B1 Compressor arrangement
08/21/2003WO2003068548A1 Method of controlling a compressor driven by the engine of a vehicle
08/21/2003US20030156939 Process fluid recycle system for a compressor assembly
08/20/2003EP1336804A1 Oil separation system for a compressor assembly
08/20/2003CN1118624C Apparatus for high pressure pumping liquid or homogenizing liquids
08/19/2003US6607012 System comprising both a receptacle and apparatus enabling it to be filled with compressed air
08/19/2003CA2419165A1 Process fluid recycle system for a compressor assembly
08/07/2003WO2003064934A1 Air conditioner
08/07/2003WO2003064861A1 Liquid cooled electric driven rotordynamic system
08/06/2003EP1333411A2 Gas suction pump device gas feed adapter and gas alarm unit
08/06/2003EP1333157A1 Rankine cycle device of internal combustion engine
08/06/2003CN1434211A Gas suction pump device, gas feed adapter and gas alarm unit
07/2003
07/31/2003US20030143093 Liquid cooled integrated rotordynamic motor/generator station with sealed power electronic controls
07/30/2003CN1116521C Rotary compressor assembly with improved shock-absorbing property
07/24/2003US20030138329 Gas suction pump device, gas feed adapter and gas alarm unit
07/24/2003US20030136791 Vacuum producing appliance
07/24/2003DE20307238U1 Control system for air compressor with filter has timer operating water drainage valve taking water from water separator in supply line and from bottom of compressed air reservoir
07/16/2003CN1114762C Compressor system
07/10/2003US20030129065 Air compressor, air storage, and high pressure cleaning machine structure
07/10/2003US20030126885 Multistage compressor
07/08/2003US6589023 Device and method for reducing vacuum pump energy consumption
07/03/2003US20030123989 Variable speed control of multiple motors
07/03/2003US20030121557 Methods for testing fluid compressors
07/03/2003DE20304789U1 System for compressing flammable gas has a safety bulkhead between the compressor and the gas driven motor
07/02/2003CN1113166C Mounting arrangement for hermetic compressor
07/01/2003US6584784 Combined refrigeration system with a liquid pre-cooling heat exchanger
06/2003
06/24/2003US6582201 Supporting frame for a portable compressor
06/17/2003US6579067 Variable speed control of multiple compressors
06/10/2003US6575707 Air compressor having thermal valve
06/05/2003WO2003045130A1 Electronic proportioner using continuous metering and correction
06/04/2003CN2554388Y Pressure boiled oil pump
05/2003
05/28/2003CN1420964A Multi-stage compressor
05/27/2003US6568913 Lubrication pump for a swash plate type compressor
05/27/2003US6568911 Compressor arrangement
05/22/2003US20030095871 Multiple compressor common circuit structure design
05/15/2003US20030091447 Locomotive air compressor with an electric motor supported by an external bearing
05/08/2003WO2003038278A2 Multiple compressor common circuit structure design
05/08/2003US20030086793 Air compressor having thermal valve
05/08/2003US20030086789 Multiple-compressor system having base and trim compressors
05/02/2003EP1305522A1 Resonator pumping system
05/01/2003WO2003036188A1 Refrigerating equipment
05/01/2003US20030079715 Integral air compressor for boost air in barrel engine
04/2003
04/29/2003US6554103 Fail-safe oil lubricated helium compressor unit with oil-free gas delivery
04/22/2003US6551066 High pressure portable air compressor
04/17/2003WO2003031784A1 Integral air compressor for boost air in barrel engine
04/17/2003WO2003009075A3 Method for operating, with a minimal amount of power, at least one compressor for introducing a gaseous medium into at least two reservoirs
04/15/2003US6547527 Generator unit with clutch-driven pump
04/10/2003US20030068233 Device and method for reducing vacuum pump energy consumption
04/02/2003CN1407917A 便携式工具箱 Portable Toolbox
04/01/2003US6540148 Method and apparatus for sequencing multistage systems of known relative capacities
03/2003
03/18/2003US6532991 Air compressor assembly including a handle capable of attaining a plurality of positions
03/18/2003US6532990 Air compressor assembly including a lifting handle
03/12/2003EP1291525A1 Method for controlling a set of compressors
03/12/2003CN1402814A Multistage compressor unit and method for regulating such multistage compressor unit
03/05/2003EP1288595A1 Compressor set and method of controlling a compressor set
03/05/2003EP1288503A1 Compressor apparatus
03/05/2003CN1401056A Pump housing construction
02/2003
02/27/2003WO2003016717A1 Wobble piston pump with carbon graphite cylinder
02/27/2003US20030039557 Air compressor workbench
02/19/2003EP1284366A1 Multistage compressor
02/13/2003WO2003011401A1 Inflatable articles with self-contained inflation mechanism
02/13/2003US20030032507 Inflatable articles with self-contained inflation mechanism
02/13/2003US20030029515 Depression container
02/13/2003CA2456178A1 Inflatable articles with self-contained inflation mechanism
02/06/2003WO2003010436A1 Multistage compressor for compressing gases
01/2003
01/30/2003WO2003009075A2 Method for operating, with a minimal amount of power, at least one compressor for introducing a gaseous medium into at least two reservoirs
01/30/2003US20030021704 Pump with reversible port function
01/16/2003US20030010574 Fail-safe oil lubricated helium compressor unit with oil-free gas delivery
01/15/2003EP1274938A1 Oscillating piston pump
01/09/2003US20030005974 Depression container
01/07/2003US6502602 Methods and apparatus for testing fluid compressors
01/02/2003US20030003003 Pump housing construction
12/2002
12/31/2002US6499504 Control system for controlling multiple compressors
12/19/2002WO2002101240A1 System for supply of a pressurised gas and method for verifying that a compressor is active in a system for supply of a pressurised gas
12/18/2002EP1267079A1 Vertical compressor assembly for motor vehicles
12/12/2002WO2002099281A1 System for supply of compressed air and vehicle including a system for supply of compressed air
12/12/2002DE10127692A1 Compressed air or highpressure fluid for atomizing combustors branches pumped fluid portion via valves to piston pump coupled to compressor or highpressure pump.
12/03/2002US6488120 Fail-safe oil lubricated helium compressor unit with oil-free gas delivery
11/2002
11/26/2002US6485276 Dual function air pump
11/26/2002US6485269 Detachable air compressor unit and system
11/21/2002US20020170606 Method and control system for controlling multiple compressors
11/20/2002CN1380201A Valve joint
11/20/2002CN1380200A Valve joint
11/20/2002CN1380199A Valve joint
11/07/2002WO2002087831A2 Portable pneumatic tool powered by an onboard compressor
11/07/2002DE10134173C1 Method for operating a compressor and collection pipe for aeration of settling tanks used in water treatment and sewage works so that collection pipe pressure and power consumption can be reduced
10/2002
10/31/2002US20020158102 Portable pneumatic tool powered by an onboard compressor
10/22/2002US6468048 Portable air compressor having stable base and tie-down points
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