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)
02/1996
02/15/1996WO1996004107A1 Hydraulic drive unit
02/14/1996CN2219974Y Automatic control valve for air press
02/14/1996CN1031010C Capacity control mechanism of vortex compressor
02/14/1996CN1031008C Swash plate type compressor with variable displacement mechanism
02/13/1996US5490765 Dual stage pump system with pre-stressed diaphragms and reservoir
02/13/1996US5490383 Method of pressure controlling a hydrostatic machine having an adjustable delivery volume
02/08/1996WO1996003168A1 Occlusion detection system for an infusion pump
02/07/1996CN1116441A Control device for a variable volume pump
02/06/1996US5488769 Method of making torque compensated cam assembly
02/01/1996DE19527675A1 Coolant compressor with simple piston and damping device
01/1996
01/31/1996EP0694694A1 Automatic pump control system with variable test cycle initiation frequency
01/31/1996EP0694693A1 Method and device for valve control
01/31/1996EP0694287A1 Hose pump for dosing small amounts of liquid
01/30/1996US5488279 Dual power refrigerator
01/30/1996US5487593 Anti-lock braking system providing pump motor duty cycle based on deceleration and motor voltage feed back
01/30/1996US5487403 Variable discharge pump with low unload to secondary
01/30/1996CA2154709A1 Induction regulator valve for rotary compressors
01/29/1996CA2154705A1 Hose pump for the exact dosing of small quantities of liquids
01/25/1996WO1996001949A1 Booster pump
01/25/1996WO1996001946A1 Hydrostatic axial piston machine
01/24/1996EP0693160A1 Method and apparatus for measuring piston position in a free piston compressor
01/24/1996EP0582625B1 Process and device for the controlled metering of at least one pourable component
01/24/1996EP0495813B1 Device for operating an auxiliary pump
01/24/1996CN2218264Y Digital controlling electric balancer of beam pumping unit
01/24/1996CN2218263Y Self heat-protector of refrigerator compressor
01/23/1996US5486106 Hydraulic device for supplying a hydraulic driving unit
01/23/1996US5486097 Control for a variable displacement axial piston pump
01/19/1996CA2136681A1 Reciprocating piston pump
01/17/1996EP0692621A1 Mechanical membrane pump with augmented pressure provided with a pressure regulator for the supply of internal combustion engines and in particular injection engines
01/16/1996US5485408 Pump simulation apparatus
01/11/1996DE4423572A1 Load-sensing hydraulic system for use with mobile excavator
01/09/1996US5482443 Multistage vacuum pump
01/09/1996US5482442 Hydraulic radial piston machines
01/04/1996DE4421955A1 Valve for vacuum pump
01/04/1996DE19522537A1 Cut-on filter assembly between hydraulic action flow drive unit and flow inlet
12/1995
12/27/1995EP0688956A1 Device for a siphon for sewers
12/27/1995EP0604422B1 Junction assembly with leak detection means
12/27/1995EP0302861B1 Calibrating plural pump fluid flow system
12/27/1995CN2216159Y Pressure setting device for hand inflator
12/26/1995US5478216 Vacuum limiter for pump
12/26/1995US5478212 Swash plate type compressor
12/26/1995US5477680 Motor driven hydraulic tool with variable displacement hydraulic pump
12/26/1995US5477675 Fluid power assist method and apparatus
12/21/1995DE4435750C1 Control of hydrostatic machine
12/20/1995EP0687436A1 Method for controlling a displacement pump for an espressomachine
12/19/1995US5476367 Booster pump with sealing gasket including inlet and outlet check valves
12/14/1995WO1995033925A1 Hydraulic radial piston machines
12/14/1995DE19520757A1 Worm compressor for motor vehicle air conditioning unit
12/13/1995EP0686770A2 Valve unloader finger
12/13/1995EP0686768A2 Positive displacement pump with cylinder end cap
12/13/1995EP0686767A2 Positive displacement pump with compliant ball support means
12/13/1995EP0494236B1 Improved fluid-working machine
12/13/1995CN2215036Y Miniature self-controlling inflator
12/12/1995CA1337714C Irrigation system for use with endoscopic procedure
12/07/1995DE19519920A1 Wobble plate compressor assembly
12/06/1995EP0685647A2 Hydraulic radial piston motor with variable cylinder capacity
12/06/1995EP0536267A4 Radial piston fluid machine and/or adjustable rotor
11/1995
11/30/1995WO1995032014A1 Instantaneous volume measurement system and method for non-invasively measuring liquid parameters
11/30/1995DE4418721A1 Control process for domestic dishwasher pump
11/30/1995CA2165422A1 Instantaneous volume measurement system and method for non-invasively measuring liquid parameters
11/29/1995EP0684385A1 Pressure reducing device for a compressor
11/29/1995EP0684382A1 Cryopump
11/29/1995CN1112663A Electromagnetic pump having an automatic exhaust-control valve
11/23/1995WO1995031353A1 Hydraulic leak detection system
11/23/1995DE4417853A1 Pressurised fluid motor or pump unit
11/23/1995DE19517748A1 In air jet loom pressure transients are minimised without bulky appts.
11/22/1995EP0682769A1 Starting arrangement for small refrigeration systems
11/22/1995CN2213241Y Unloading starter for refrigeration compression engine
11/21/1995US5468126 Hydraulic power control system
11/21/1995CA2073067C Digital control system for unloading, modulating and operating a compressor
11/21/1995CA2029613C Car air conditioner
11/16/1995DE4416723A1 Hydraulic system with working cylinder, two hydrostatic machines and load
11/16/1995DE19517334A1 Controllable displacement-type compressor
11/16/1995DE19517333A1 Clutchless variable-displacement compressor with internal coolant duct
11/15/1995EP0681656A1 Process for regulating the capacity of lubricant pumps and lubricant pump therefor
11/15/1995EP0681653A1 Cyclic hydraulic pump.
11/15/1995CN2212670Y Unloading one-way valve
11/15/1995CN1111724A Vortex compressor
11/14/1995US5466128 High aspect ratio, remote controlled pumping assembly
11/12/1995CA2148857A1 Compressor valve lifter
11/09/1995WO1995030089A1 Single-piston, multi-mode fluid displacement pump
11/09/1995CA2188952A1 Single-piston, multi-mode fluid displacement pump
11/07/1995US5464330 Cyclic hydraulic pump improvements
11/07/1995US5464328 Regulating and controlling device for a fluid pressure booster installation
11/07/1995US5464327 Water pressure control system
11/07/1995US5463803 Method of assembling a control having a body member and a cover member with an access aperture therein
11/02/1995EP0679807A1 Erosion resistant high pressure relief valve
10/1995
10/31/1995US5463378 Proximity detection system and oscillator, and method of using same
10/31/1995US5462413 Disposable relief valve seat for positive displacement pump
10/26/1995WO1995028190A1 Systems and methods for cassette identification for drug pumps
10/26/1995DE4412703A1 Solvent mixt. prodn. for high pressure liq. chromatography
10/26/1995DE19518634A1 System for distributing aircraft fuel delivered by pump
10/25/1995EP0678166A1 Control device for a variable intake volume pump
10/24/1995CA2085771C Swash plate type compressor with swash plate hinge coupling mechanism
10/19/1995DE19514376A1 Piston-type compressor with swash plate fixed at drive shaft for common rotation
10/18/1995EP0440802B1 Device for controlling hydraulic pump
10/18/1995CN1030096C Slant plate type compressor with variable displacement mechanism
10/17/1995US5458466 Monitoring pump stroke for minimizing pump-off state
10/17/1995US5458185 Liquid coolant circulation control system for immersion cooling
10/11/1995EP0676011A1 Unloader device for governed compressor for air brake systems of automotive vehicle