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)
11/2003
11/06/2003US20030205044 System and method for controlling motor torque
11/05/2003EP1359322A2 Suction valve actuator
11/05/2003EP1358897A2 A fluid delivery mechanism
11/05/2003EP1357958A2 Apparatus and method for regulating fluid pump pressures
11/05/2003CN2584870Y Piston compressor controller
11/05/2003CN2584869Y Control valve of rotary tilted plate compressor capable of changing displacement
11/05/2003CN1453533A Refrigerating apparatus and its running method
11/05/2003CN1126869C Unloading control method for air compressor
11/04/2003US6641371 Device for continuous regulation of the gas flow rate processed by a reciprocating compressor
11/04/2003US6640687 Control system for hydrostatic pump
11/04/2003US6640564 Vehicle air conditioner with automatic breaking-in operation of compressor
11/04/2003CA2260908C Temperature indicator for use in a pressurized environment
11/04/2003CA2240606C Controller for oil wells using a heated probe sensor
10/2003
10/30/2003WO2003089791A1 Vacuum pump
10/30/2003WO2003078838B1 Vacuum pump control device, and vacuum device
10/30/2003US20030200874 Vacuum producing appliance
10/30/2003US20030200760 Composite auxiliary machine for vehicle and control unit thereof
10/30/2003US20030200759 Composite auxiliary machine for a vehicle and a control unit thereof
10/29/2003EP1357289A2 High pressure cleaner with remote safety controller
10/29/2003EP1356866A2 An automated system and process for the preparation of a high viscosity fluid formulation
10/29/2003EP1356208A1 Pump system comprising a hydraulic pump, particularly for a steering system
10/29/2003EP1356206A2 Method for maintaining a constant output variable of a feed pump, e.g. the displaced volume thereof which is actuated by a speed variable drive device, and a device for carrying out said method
10/29/2003CN1452697A Electric oil pump controller
10/29/2003CN1451481A Liquid pump dispenser capable of preventing child from using
10/29/2003CN1451470A Automatic system and method for preparing high viscosity fluid formulation
10/28/2003US6639502 Overload protector with control element
10/28/2003US6638029 Pressure ratio modulation for a two stage oil free compressor assembly
10/28/2003US6638026 Control valve for variable displacement compressor
10/28/2003US6637408 Common rail fuel supply system with high pressure accumulator
10/28/2003US6637313 Rotary pump
10/28/2003US6637228 Control valve of variable displacement compressor
10/28/2003US6637223 Control apparatus for variable displacement compressor
10/28/2003CA2338582C Fluid vacuum safety device for fluid transfer systems
10/23/2003WO2003087754A1 Method and device for detecting leaks in reciprocating machinery
10/23/2003WO2003087579A1 Drive device for a machine in particular a pump
10/23/2003WO2003087578A1 Direct connection manifold for reciprocating piston pump
10/23/2003US20030198559 Fluid system
10/23/2003US20030198557 Constant pressure pump controller system
10/23/2003US20030198125 Automated system and process for the preparation of a high viscosity fluid formulation
10/22/2003EP1354168A1 System and method of pressure distribution and pressure regulation for heating and air-conditioning units, and a very high-rise building utilizing the same
10/16/2003WO2003085265A1 Compressor unit and refrigerator using the unit
10/16/2003WO2003085260A1 Variable displacement compressor
10/16/2003WO2003085259A1 Variable stroke/clearance mechanism
10/16/2003US20030194328 Methods for pulsed delivery of fluids from a pump
10/16/2003US20030194326 Electronic trim for a variable delivery pump in a hydraulic system for an engine
10/16/2003US20030194325 Diaphragm pump motor driven by a pulse width modulator circuit and activated by a pressure switch
10/16/2003US20030192919 Fluid delivery mechanism
10/15/2003EP1353091A1 Toroidal continuously variable transmission
10/15/2003EP1353071A2 Fuel pump with capacity control
10/15/2003EP1352875A1 Child-resistant liquid dispenser
10/15/2003EP1352174A1 Fuel-injection system comprising pressure regulation in the return line
10/15/2003EP0897476B1 Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
10/15/2003CN1124413C Torque control device for hydraulic pump of hydraulic construction equipment
10/15/2003CN1124412C Control device for oblique disk type changable volume pump
10/15/2003CN1124411C Piezoelectric ceramic pump
10/14/2003US6632076 Oscillation-type compressor
10/14/2003US6631706 High pressure fuel supply pump for internal combustion engine
10/12/2003CA2424189A1 Child-resistant liquid dispenser
10/09/2003WO2003083304A1 Head pressure relief assembly
10/09/2003WO2003082790A1 Transporting method and transporting facility for easily polimerizable material
10/09/2003US20030190238 Displacement control valve of variable displacement compressor, compressors including such valves, and methods for manufacturing such compressors
10/09/2003US20030190237 A pump as a pressure source for supercritical fluid chromatography involving pressure regulators and a precision orifice
10/09/2003US20030188720 Actuating fluid control system
10/09/2003US20030188542 Method for regulating a compressor installation with a dryer and compressor installation used therewith
10/08/2003EP1350956A2 Pump as a pressure source for supercritical fluid chromatography
10/08/2003EP1350930A1 Variable displacement pump and control therefor
10/08/2003CN2578557Y Nonelectric ballonet aerator
10/08/2003CN2578556Y Electrichydraulic control high-pressure plunger pump
10/08/2003CN1447881A Appts. and method for controlling reciprocating compressor
10/08/2003CN1123695C Load regulating compressor and method of regulating load
10/02/2003WO2003081040A1 A position sensor and a linear compressor
10/02/2003US20030185695 Head pressure relief assembly
10/02/2003US20030185687 Hydraulic system comprising a main pump and a precompression pump
10/02/2003US20030183073 Piston stroke limiting device for a reciprocating compressor
10/02/2003US20030182728 Inflatable support
10/02/2003DE20308303U1 Hydraulic pump for power steering in vehicle, includes additional suction channel complementing standard suction channel
10/01/2003EP1349265A1 Linear compressor drive device
10/01/2003EP1348870A2 Fuel gas compression system
10/01/2003EP1348868A1 Fluid pump and high-pressure fuel feed pump
10/01/2003EP1348864A1 High-pressure fuel feed pump
10/01/2003EP0958453B1 Piston pump
10/01/2003CN1445455A Operatio control method of reciprocating compressor
09/2003
09/30/2003US6626355 Medical device
09/30/2003US6626092 Vacuum producing appliance
09/25/2003WO2003078838A1 Vacuum pump control device, and vacuum device
09/25/2003WO2003078822A1 Pump components and method
09/25/2003US20030180155 Gas compressor
09/25/2003US20030180151 Apparatus and method for controlling reciprocating compressor
09/25/2003US20030180148 Device for prevention of backward operation of scroll compressors
09/25/2003US20030177773 Operation control apparatus and method of linear compressor
09/24/2003EP1346267A1 Positive pressure generation device and valve
09/24/2003EP1345663A1 Method for regulating a compressor installation with a dryer and compressor installation used therewith
09/24/2003EP1188221A4 Linear motor
09/24/2003CN1122142C Bellows type pressure responding valve
09/23/2003US6623250 Fuel metering unit
09/23/2003US6623247 Method and apparatus for controlling a variable displacement hydraulic pump
09/23/2003US6623246 Apparatus and method for controlling operation of linear motor compressor
09/23/2003US6623245 Pump and pump control circuit apparatus and method
09/23/2003US6623244 Heater material
09/23/2003US6622706 Pump, pump components and method
1 ... 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 ... 221