Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
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)
07/2003
07/31/2003US20030143091 Single piston dual chamber fuel pump
07/31/2003US20030143083 Device and method for reducing forces in mechanisms
07/31/2003US20030143080 Driving controlling apparatus for reciprocating compressor
07/31/2003US20030141667 Exhaust apparatus and control method for same, and vacuum-use hydrostatic bearing
07/31/2003US20030141467 Out-of-liquid sensor, and liquid supply device using same
07/31/2003US20030140900 Bypass/leakage cooling of electric pump
07/31/2003US20030140643 Drive apparatus for cooling fan motor for use in vehicle
07/31/2003US20030140613 Simplified fuel control for use with a positive displacement pump
07/30/2003EP1331017A2 Centrifugal fluid pump assembly
07/30/2003EP1062424B1 Hydraulically-actuated system having a variable delivery fixed displacement pump
07/30/2003EP1051571B1 Variable capacity compressor having adjustable crankpin throw structure
07/30/2003CN1432736A Drive controller and control method for reciprocating compressor
07/30/2003CN1432435A 泵 Pump
07/30/2003CN1116564C Variable capacity compressor
07/30/2003CN1116541C Variable displocement compressor with check value
07/29/2003US6599107 Piston pump having housing with a pump housing and a pump assembly drive housing formed therein
07/29/2003US6599102 Gas compressor and air conditioning system
07/29/2003US6599095 Pump-off control method of pump jack
07/29/2003US6599094 Screw compressor system and operating method thereof
07/29/2003US6599093 Compressor having speed and intake regulation valve control
07/24/2003WO2003059521A2 Runaway protection for sprayer
07/24/2003US20030138334 Blood processing systems with fluid flow cassette with a pressure actuated pump chamber and in-line air trap
07/24/2003US20030138327 Speed control for a pumping system
07/24/2003US20030136791 Vacuum producing appliance
07/23/2003EP1329238A1 Device for ventilatory system
07/23/2003EP1328729A1 Improved engine prelubrication pump assembly
07/23/2003EP1328356A1 High-pressure cleaning device
07/23/2003CN2561961Y Variable-output air-conditioner compressor for vehicle
07/23/2003CN2561960Y High-low pressure switching device for concrete conveying pump
07/23/2003CN1432109A 气体压缩机 Gas compressor
07/23/2003CN1432104A Pump assembly and method
07/23/2003CN1115483C Scroll compressor
07/22/2003US6595762 Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
07/22/2003US6595757 Air compressor control system
07/22/2003US6595756 Electronic control system and process for electromagnetic pump
07/22/2003US6595598 Pump motor control in electro-hydraulic braking systems
07/22/2003US6595233 Safety device for a fluid transmission
07/17/2003WO2003058065A1 Hydraulic amplifier pump
07/17/2003US20030133809 Hybrid compressor apparatus
07/17/2003US20030133807 Apparatus for controlling driving of reciprocating compressor and method thereof
07/17/2003US20030133805 Pump-off control interrupter
07/17/2003US20030132243 Pump
07/17/2003US20030132161 Using uncalibrated positive displacement pumps and flow-rate transducers; used in kidney dialysis machines
07/17/2003US20030131665 Device for reducing dead space in a ventilator system
07/17/2003US20030131566 Appliance for storing articles in an evacuated container
07/16/2003EP1327777A2 Method and system for matching flow rate
07/16/2003EP1327776A2 Overload control for a compressor system
07/16/2003EP1327482A2 Pump
07/16/2003CN1430702A Driving controlling apparatus for reciprocating compressor
07/16/2003CN1114807C Combination valve for screw compressors
07/16/2003CN1114763C Refrigeration screw compressor and refrigerating system with the compressor and operation method
07/15/2003US6592332 Pump-off control interrupter
07/15/2003US6592099 Silting prevention controller
07/15/2003US6591621 Two stage reciprocating compressors and associated HVAC systems and methods
07/10/2003WO2003056179A1 Pump
07/10/2003WO2003056178A1 Mounting arrangement for a reciprocating compressor
07/10/2003WO2003055542A1 Equipment for controlling blood flow in an extracorporeal blood circuit
07/10/2003US20030130609 Systems and methods for control of pumps employing electrical field sensing
07/10/2003US20030129063 Device and method for controlling piston position in linear compressor
07/09/2003CN2559811Y Hydraulic driving stepless speed regulating double-effect booster pump
07/09/2003CN2559782Y Serial upper valve cover for oil well pump
07/09/2003CN1428512A Motor control device for compressor
07/08/2003US6589020 Control valve for variable displacement compressor
07/08/2003US6589019 Variable displacement compressor
07/08/2003US6588443 Method of draining condensate and condensate drain device
07/03/2003WO2003054558A1 Peristaltic pump with presence of liquid sensor
07/03/2003WO2003054392A1 Dosing pump
07/03/2003US20030123990 Method for operation control of vacuum pump and control system for vacuum pump
07/03/2003US20030123989 Variable speed control of multiple motors
07/03/2003US20030122375 Combination fitting
07/02/2003EP1322863A1 Piston stroke limiting device for a reciprocating compressor
07/02/2003CN1427157A Starting control method of variable volume compressor
07/02/2003CN1113206C Automobile air conditioner
07/02/2003CN1113169C Control system for multi-pump operation
07/01/2003US6585499 Fluid delivery mechanism having a flush-back operation
07/01/2003US6585495 Reversible volume oil impeller pump with mechanical governor
07/01/2003US6585494 Variable-capacity control for refrigerating cycle without using a large pressure control valve
07/01/2003US6584791 Pressure equalization system and method
07/01/2003US6584787 Arrangement and method for controlling a compressor of an airconditioning arrangement in a motor vehicle
06/2003
06/26/2003WO2003052271A1 Crank shaft in dual capacity compressor
06/26/2003US20030118460 Position sensor and compressor
06/26/2003US20030118459 Hydraulic amplifier pump for use in ultrahigh pressure liquid chromatography
06/26/2003US20030118450 Hybrid compressor system
06/25/2003EP0898653B1 Hydraulic pressure control system for a pump
06/25/2003CN2557722Y High-pressure high-flow precision horivontal flow pump
06/25/2003CN2557721Y Displacement switching valve for concrete conveying pump
06/25/2003CN2557720Y Displacement switching valve for concrete conveying pump
06/25/2003CN1112535C Pump element for lubricant pump
06/24/2003US6581577 Pump arrangement for providing fuel at high pressure
06/24/2003US6581573 Compound electromagnetic valve, high pressure pump and apparatus for controlling high pressure pump
06/19/2003US20030113218 Metering pump
06/19/2003US20030113215 Reverse rotation preventing structure of centrifugal compressor
06/19/2003US20030113214 Pressure ratio modulation for a two stage oil free compressor assembly
06/19/2003US20030111050 Fuel-injection system comprising pressure regulation in the return line
06/19/2003US20030111048 Electro-hydraulic actuator for a hydraulic pump
06/19/2003US20030110935 Fluid translating device
06/19/2003US20030110765 Digital controlled fluid translating device
06/19/2003CA2365768A1 Apparatus for disabling a reciprocating pump jack during servicing
06/18/2003EP1319836A2 Digital controlled fluid translating device
06/18/2003EP1319835A2 Radial piston machine
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