Patents
Patents for F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups (22,036)
01/2006
01/10/2006US6984114 Two-step self-modulating scroll compressor
01/10/2006US6984113 Oil pressure operated pump for marine steering gears with a valve set shell with valves separately capable of assembly with the valve housing
01/05/2006US20060002800 Compressor control apparatus
01/05/2006US20060002799 Peristaltic pump comprising a bearing member and a counter-member adapted to cooperate with a tube
01/05/2006US20060000208 Pump/motor operating mode switching control for hydraulic hybrid vehicle
01/05/2006DE202004020772U1 Novel PCR primer pair, useful for identifying insecticide or organophosphorous pesticide resistant Aphis gossypii
01/05/2006DE19754277B4 Hydraulikanlage mit einem doppelt wirkenden hydraulischen Antriebsaggregat Hydraulic system with a double-acting hydraulic drive unit
01/04/2006EP1612423A1 Peristaltic pump comprising a bearing member and a counter-member adapted to cooperate with a tube
01/04/2006EP1611909A1 Method for compensating for pressure differences across valves in cassette type IV pump
01/04/2006EP1611402A2 Compressor protection from liouid hazards
01/04/2006EP1611355A1 Diaphragm pump
01/04/2006CN2750076Y Electrically controlled energy saving device for pumping unit
01/04/2006CN1715655A Rotary compressor
01/04/2006CN1715651A Cantilever crane type concrete transport pump
01/04/2006CN1715650A Peristaltic pump comprising a bearing member and a counter-member adapted to cooperate with a tube
01/03/2006US6981851 Piston stroke limiting device for a reciprocating compressor
01/03/2006US6981848 Methanol injection system and method to prevent freezing of a natural gas pipeline
01/03/2006US6981402 Speed and fluid flow controller
12/2005
12/29/2005WO2005038255B1 Evacuation apparatus
12/29/2005US20050287021 Variable discharge fuel pump
12/29/2005US20050287011 Apparatus and method for controlling operation of reciprocating compressor
12/29/2005US20050287010 Gaseous fluid compressor control system
12/29/2005US20050287009 Metered quantity transfer device
12/29/2005US20050287008 Method and system for a variable speed fan control for thermal management
12/28/2005EP1610442A2 Improved structure of linear compressor
12/28/2005EP1608946A1 Method and device for control of the capacity of a compressor
12/28/2005EP1608526A1 Engine assembly for driving a motor vehicle
12/28/2005EP1183172B1 Vehicle air braking systems
12/28/2005CN2748669Y Travelling barrel type sand-proof oil-well pump
12/28/2005CN1714244A 压缩机 Compressor
12/28/2005CN1234160C Monitoring system with air bubble breaker
12/27/2005US6979181 Method for controlling the motor of a pump involving the determination and synchronization of the point of maximum torque with a table of values used to efficiently drive the motor
12/27/2005US6978712 Variable displacement piston type pump
12/22/2005WO2005120328A1 Rinsing device and method for the operation thereof
12/22/2005US20050283277 Method and system for improving pump efficiency and productivity under power disturbance conditions
12/22/2005US20050281689 Diametric slider block pump
12/22/2005US20050281681 Method and system for improving pump efficiency and productivity under power disturbance conditions
12/22/2005US20050281680 Method and system for improving pump efficiency and productivity under power disturbance conditions
12/22/2005US20050281678 Pumpdosimeter - system and method for automatically controlling fluid parameters in centrifugal pumps
12/21/2005EP1607631A2 Compressor System
12/21/2005EP1606522A1 A device for controlling hydraulic power units
12/21/2005EP1003971B1 Two stage reciprocating compressors and associated hvac systems and methods
12/21/2005CN1711421A Pump driving method and device therefor
12/21/2005CN1232734C Compressor long-distance monitoring system
12/21/2005CN1232732C Vortex compressor
12/20/2005US6976831 Transmissionless variable output pumping unit
12/20/2005US6976830 Variable displacement pump
12/15/2005WO2005119064A2 Pump control using ac phase parameters
12/15/2005WO2005117567A2 Suitcase style air compressor assembly
12/15/2005WO2005059330A3 Variable crankshaft
12/15/2005US20050276711 Muffler system for a compressor
12/15/2005US20050276700 Control valve for variable displacement compressor
12/15/2005DE102005019585A1 Elektrische Luftpumpe für ein Sekundärluftzufuhrsystem Electrical air pump for a secondary air supply system
12/15/2005DE102004024562A1 Trocken laufende Kolbenvakuumpumpe Dry piston vacuum pump
12/15/2005CA2569149A1 Suitcase style air compressor assembly
12/15/2005CA2567866A1 Pump control
12/14/2005EP1605166A1 Relief valve for a hydraulic pump
12/14/2005EP1605161A2 Control valve for variable displacement compressor
12/14/2005CN2746152Y Multi pole feedback alarm inflator
12/14/2005CN2746151Y Numerical control reciprocating oil-submersible electric pump
12/14/2005CN1708646A Dual capacity compressor
12/14/2005CN1708358A Blood processing systems and methods with umbilicus-driven blood processing chambers
12/14/2005CN1707108A Control valve for variable displacement compressor
12/14/2005CN1707107A Overload protector for closed compressor
12/14/2005CN1707106A Reciprocating compressor, driving unit and control method for the same
12/14/2005CN1707105A Apparatus and method for controlling operation of reciprocating compressor
12/14/2005CN1707102A Light gas vacuum pumping system
12/13/2005US6974312 Pumping element for hydraulic pump
12/13/2005US6974311 Control valve
12/13/2005US6973781 Method and apparatus for maintaining hydraulic pressure when a vehicle is stopped
12/13/2005CA2263432C Travelling thick matter pump
12/08/2005US20050271526 Reciprocating compressor, driving unit and control method for the same
12/08/2005US20050271519 Apparatus for controlling operation of compressor and method therefore
12/08/2005US20050271518 Pumping method and system
12/08/2005US20050271517 Emergency automatic sump valve
12/08/2005US20050268631 Apparatus for driving a compressor and a refrigerating air conditioner
12/08/2005DE102005018049A1 Variable Fördermengensteuerung für eine stationär arbeitende Verdrängerpumpe Variable flow control for a stationary working displacement pump
12/08/2005DE102004023453A1 Axialkolbenverdichter, insbesondere Verdichter für die Klimaanlage eines Kraftfahrzeuges Axial piston, especially compressor for the air conditioning system of a motor vehicle
12/07/2005EP1602828A2 Control valve for variable displacement compressor
12/07/2005EP1602826A1 Pump drive
12/07/2005EP1602545A1 Compressed air processing device for vehicle air system
12/07/2005EP1455567A4 Electronic proportioner using continuous metering and correction
12/07/2005CN2744857Y High strength reverse fixation preventing device for screw pump
12/07/2005CN1705826A Variable inner volume ratio-type inverter screw compressor
12/07/2005CN1704591A Slanting axial piston pump
12/07/2005CN1704590A Apparatus for controlling operation of compressor and method therefor
12/07/2005CN1230869C Device for predicting service life of rotation machine and method for predicting and determining maintenance period
12/07/2005CN1230621C Control valve for variable-displacement compressor
12/06/2005US6971861 High speed unloader for gas compressor
12/01/2005US20050265853 Control valve for variable displacement compressor
12/01/2005US20050263935 Low cost electrostatic discharge-proof pumps manufactured from conductive loaded resin-based materials
12/01/2005US20050262852 Integration of automated cryopump safety purge
12/01/2005US20050262838 Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof
12/01/2005DE102004033376B3 Axialkolbenmaschine mit einer Einrichtung zur elektrisch proportionalen Verstellung des Fördervolumens Axial piston machine with a device for electrically proportional adjusting the delivery
12/01/2005DE102004028361B3 Spüleinrichtung und Verfahren zum Betrieb einer Spüleinrichtung Flushing device and method for operating a flushing device
12/01/2005DE102004027596B3 Piston-operated vacuum pump has connecting rod whose length is the same as the arc of a planetary gear circle segment
11/2005
11/30/2005EP1600641A1 Hydraulic device
11/30/2005EP1600630A2 Multistage gas compressor and its control method
11/30/2005EP1498605B1 Variable displacement compressor
11/30/2005CN2743576Y Tested system cut off automatic isolating valve