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)
08/1998
08/27/1998DE19807326A1 Compressor control device for automobile air-conditioning device
08/27/1998DE19753866A1 Adjuster unit for hydrostatic displacement unit
08/25/1998US5797996 Method for controlling the amount of water filled in a dishwashing machine
08/25/1998US5797733 Low power electromagnetic pump
08/25/1998US5797730 Swash plate type compressor
08/25/1998US5797729 Controlling multiple variable speed compressors
08/25/1998US5797719 Precision high pressure control assembly
08/20/1998WO1998036339A1 A self-regulating computerized proportional control device for a water pump
08/20/1998DE19710379C1 Suction throttled hydraulic pump for vehicle
08/18/1998US5795134 Pressurized air system
08/18/1998US5794915 Safety relief valve assembly for a fluid displacement apparatus
08/18/1998US5794732 Apparatus and method for starting a fuel cell vehicle
08/18/1998US5794442 Adaptive fluid motor control
08/18/1998US5794441 Adaptive fluid feedback control
08/18/1998US5794440 Adaptive fluid control
08/18/1998US5794439 In a regenerative adaptive fluid motor control system
08/18/1998US5794438 Adaptive fluid motor feedback control
08/18/1998US5794437 Regenerative adaptive fluid motor control
08/13/1998DE19804084A1 Swash plate compressor with variable capacity
08/12/1998EP0857874A1 Compressor
08/12/1998EP0857872A2 Variable-displacement swash-plate compressor
08/12/1998EP0678166B1 Control device for a variable intake volume pump
08/12/1998EP0639099B1 Apparatus and method for supercritical fluid extraction
08/12/1998EP0639098B1 Apparatus for supercritical fluid extraction
08/12/1998CN2287677Y Reducing load silencing combined pressure regulator for air compressor
08/12/1998CN1190157A Variable displacement compressor, swash plate, and method for hardening swash plate
08/12/1998CN1039510C Flow-controlled sampling pump apparatus
08/11/1998US5792967 Pumping unit with speed transducer
08/11/1998US5792109 Irrigation pump and system
08/11/1998US5791880 For infusing liquid into a patient
08/11/1998US5791372 Relief valve
08/05/1998EP0856661A2 Fuel pump
08/05/1998EP0856638A1 Adjustable radial piston machine
08/05/1998EP0856107A1 Output regulation with load sensing
08/05/1998EP0855923A1 Flow estimation and compensation of flow-induced pressure swings in cpap treatment and assisted respiration
08/05/1998CN1189581A Control vavle in variable displacement compressor
08/04/1998US5788669 Pump tracking system
08/04/1998US5787787 Engine/pump control device for loaders
07/1998
07/30/1998WO1998032972A1 Turbo molecular pump
07/30/1998WO1998032971A1 Method and apparatus for controlling a fluid medium compressor system
07/29/1998EP0855507A2 Volumetric pump with bi-directional sphincter seal apparatus and method
07/28/1998US5785505 Integral fluid pump and internal combustion engine
07/28/1998US5785502 Control apparatus for variable displacement compressor
07/28/1998US5785081 Compressor inlet valve
07/23/1998WO1998031935A1 Linear peristaltic pump
07/23/1998WO1998031926A1 Controller of engine and variable capacity pump
07/23/1998DE19701671A1 Drive unit for hydraulic pump supplying variable loads, especially pressure injection moulding machines
07/22/1998EP0854291A2 Modular bypass system for a supercharger
07/22/1998EP0854288A2 Control valve in variable displacement compressor and method of manufacture
07/22/1998EP0854236A1 Metering pump drive for a road marking vehicle
07/22/1998EP0853728A1 Method and device for producing an intake valve of plate-like construction
07/22/1998CN1188219A Refrigeration system employing compressor for single or multi-stage operation with capacity control
07/21/1998US5783451 Pipetting unit and method for liquids
07/21/1998US5782610 Method of stopping scroll compressor that is driven by 3-phase DC motor
07/16/1998WO1998030819A2 Flow control valve for a pressure washer
07/16/1998WO1998030807A1 On-the-fly, real-time controlled variable stroke crankshaft
07/16/1998DE19701035A1 Pump set of regulating mechanism for stepped application of solns. in medical field
07/16/1998DE19652381C1 Operating system with gas or liquid pump for minimal-invasive surgery
07/15/1998EP0853200A2 Clutch-driven gas compressor
07/14/1998US5779450 Refrigerating apparatus having a fluid compressor
07/14/1998US5778924 Hydraulic control valve block
07/09/1998WO1998029663A1 Flow control valve
07/08/1998EP0852295A1 Compressor with valve for by-pass and anti-reverse rotation control
07/08/1998CN2285834Y High-pressure oil extraction device for pipe pumping unit
07/08/1998CN1186915A Hydraulic pump control system
07/08/1998CN1186913A Compressor for use in refrigeration system
07/07/1998US5776098 Diaphragm pump and pump mounted in a carrying case useful in breast pumping
07/07/1998US5775881 Oil supply system
07/02/1998WO1998028539A1 Dosing pump and method for enhancing dosing precision
07/02/1998DE19758012A1 Hydraulic control system for pump with variable displacement
07/01/1998EP0851122A2 Hydraulic pump control system
07/01/1998CN2285377Y Check valve for pumping well
07/01/1998CN2285376Y Regenerative starter for air conditioner compressor
06/1998
06/30/1998US5772414 Pump head pressure equalizer with biasing member limited movement diaphragm
06/30/1998US5772403 Programmable pump monitoring and shutdown system
06/26/1998CA2225883A1 Cavitation control for variable displacement hydraulic pumps
06/25/1998WO1998027337A1 Pressure control system for a variable displacement hydraulic pump
06/25/1998DE19653339A1 Pump unit for supplying fuel
06/25/1998DE19652831A1 Pressurised fluid feed system for high pressure common rail systems
06/24/1998EP0849410A2 De-aerating device for liquid carrying siphon pipes
06/24/1998CN1185532A Variable conpacitance compressor
06/24/1998CN1185531A Variable conpacitance compressor
06/24/1998CA2225700A1 Neutral flow by-pass valve for hydrostatic transmission
06/23/1998US5769615 Single-piston fluid displacement pump
06/23/1998US5769612 Modular bypass system for a supercharger
06/23/1998US5768901 Refrigerating system employing a compressor for single or multi-stage operation with capacity control
06/18/1998WO1998026183A1 Improved gas actuated slide valve in a screw compressor
06/17/1998EP0848164A2 Control valve in variable displacement compressor
06/16/1998US5765995 Automated engine-powered pump control system
06/16/1998US5765994 Low oil detector with automatic reset
06/16/1998US5765538 Pump device for a fuel vapor retention system of an internal combustion engine
06/16/1998CA2131181C Compressor slide valve control
06/11/1998WO1998025030A1 Hermetic compressor intended for circulating gas
06/10/1998EP0846865A1 Suction valve device for refrigerant compressors
06/10/1998EP0846229A1 Fuel supply pump for a fuel injection pump for internal combustion engines
06/10/1998EP0846227A1 Piston-type compressor, especially for generating compressed air in motor vehicles
06/10/1998EP0846224A1 Fuel supply pump for a fuel injection pump for internal combustion engines
06/10/1998EP0846007A1 Diaphragm pump and pump mounted in a carrying case useful in breast pumping
06/10/1998DE19650274A1 Pump assembly for motor driven radial or series piston pump
06/10/1998DE19650270A1 Hydrostatic axial piston engine driven by electric motor