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)
11/2008
11/12/2008CN101303009A Follow-up hydraulic pumps
11/12/2008CN100432585C An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/12/2008CN100432584C An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/12/2008CN100432440C Linked regulatable load reducing valve
11/12/2008CN100432432C Air conditioner for vehicle capable of preventing inverter overheating
11/12/2008CN100432431C Hermetic-type compressor
11/11/2008US7451061 Compressor performance calculator
11/06/2008WO2008133294A1 Variable-capacity compressor control device
11/06/2008WO2008110022A3 Vacuum diaphragm pump unit
11/06/2008US20080275290 Implantable heart assist system and method of applying same
11/06/2008US20080273996 Method and Device for Regulating Fluid Pump Pressures
11/06/2008US20080273995 Apparatus for Inhibiting the Propagation of a Flame Front
11/06/2008DE102008005848A1 Kombinierte Sicht-Ölstandsanzeige und Ultraschallsensor Combined view oil level indicator and ultrasonic sensor
11/05/2008EP1988285A1 Device for controlling the blades of a wind turbine
11/05/2008EP1987251A2 Control apparatus for linear compressor
11/05/2008CN201144845Y Blast aerator for sewage disposal
11/05/2008CN201144813Y Digital type compressor special-purpose protector
11/05/2008CN201144788Y Sliding vane type air compressor unloading transmission device
11/05/2008CN201144787Y Overpressure protection apparatus of diaphragm pump
11/05/2008CN100430604C Fluid draining pump device
11/05/2008CN100430600C Air compressor unloading device
11/04/2008US7444824 Unitary control for air conditioner and/or heat pump
10/2008
10/30/2008WO2008130513A1 System and method for detecting pressure variations in fuel dispensers to more accurately measure fuel delivered
10/30/2008US20080267791 System for the Suction of a Fluid, Having the Additional Function of Sucking Another Fluid
10/30/2008US20080267790 Electronically Controlled Vacuum Pump
10/30/2008US20080267788 Multiple power tire inflator
10/30/2008US20080267787 Devices and methods for use in assessing a flow condition of a fluid
10/30/2008US20080264053 hydraulic system and a method of operating a hydraulic pump
10/29/2008EP1985857A2 Solenoid pump
10/29/2008EP1985854A2 Pump system
10/29/2008EP1984627A2 Pump and pump control circuit apparatus and method
10/29/2008CN201141355Y Single-crank balance beam type oil pumping machine
10/29/2008CN201140154Y Music controlled fountain apparatus
10/29/2008CN101294572A Multi-stage gas compressing apparatus
10/29/2008CN101294556A Solenoid pump
10/29/2008CN100429401C Control valve for variable displacement compressor
10/28/2008USRE40554 Capacity modulated scroll machine having one or more pin members movably disposed for restricting the radius of the orbiting scroll member
10/28/2008US7442012 Speed control for compressors
10/23/2008WO2008126035A1 Pump system
10/23/2008WO2008125267A1 High-pressure cleaning device
10/23/2008WO2008052105A3 Hydro-pneumatic system with pressure limiting valve
10/23/2008US20080260558 Device and Methods of Measuring Pressure
10/23/2008US20080260545 Variable Capacity Oil Pump
10/23/2008US20080260541 Induction Motor Control
10/23/2008US20080260540 Pump controller system and method
10/23/2008US20080260539 Apparatus and Method For Controlling Supply of Barrier Gas in a Compressor Module
10/23/2008US20080257063 Devices and methods for use in assessing a flow condition of a fluid
10/23/2008US20080256939 Device for Managing the Displacement of a Hydraulic Motor or a Group of Hydraulic Motors
10/23/2008DE112007000121T5 Steuerventil für Kompressor mit variabler Verdrängung A control valve for variable displacement compressor
10/22/2008EP1983191A1 Variable displacement-type clutchless compressor
10/22/2008EP1982072A2 Hydraulic oil well pumping apparatus
10/22/2008EP1718868B1 A pumping system
10/22/2008CN201137657Y Electromagnetic anti-theft brake assembly
10/22/2008CN201137561Y Diaphram pump one way valve fault automatic diagnosis device
10/22/2008CN201137559Y Compressor built-in protector
10/22/2008CN201137558Y Oil lubrication-free nitrogen supercharger
10/22/2008CN101290004A Two-in-one power generation air compressor
10/22/2008CN101290003A Two-in-one power generation air compressor
10/21/2008US7439692 Linear compressor and apparatus to control the same
10/21/2008US7438542 Fluid pump assembly
10/21/2008US7438534 Wide range pressure control using turbo pump
10/21/2008US7437882 Apparatus for driving a compressor and a refrigerating air conditioner
10/21/2008US7437880 Pump bypass control apparatus and apparatus and method for maintaining a predetermined flow-through rate of a fluid through a pump
10/16/2008WO2008124668A1 Stroke adjustment mechanism for reciprocating pumps
10/16/2008WO2008124024A2 Power machine or vehicle with power management
10/16/2008WO2007120506A3 Control valve assembly for a compressor unloader
10/16/2008US20080253904 Oil pump pressure control device
10/16/2008US20080253899 Brushless motor driving apparatus and fluid pump
10/16/2008US20080250921 Stroke adjustment mechanism for reciprocating pumps
10/16/2008US20080250802 Air-conditioning system
10/16/2008DE19825759B4 Hydraulische Antriebsbaugruppe und Verfahren zur kontinuierlichen Regulierung des Fördervolumens einer Verstellpumpe zum Antreiben einer Hilfsvorrichtung Hydraulic drive assembly and method for continuous regulation of the volumetric displacement of a variable displacement pump for driving an auxiliary device
10/16/2008DE112006003119T5 Motorlaststeuervorrichtung für ein Arbeitsfahrzeug Engine load control device for a working vehicle
10/16/2008DE102008015176A1 Hydraulisches System Hydraulic system
10/16/2008DE102008000658A1 Hydraulische Pumpe Hydraulic pump
10/16/2008CA2682682A1 Power machine or vehicle with power management
10/15/2008EP1980775A2 Miniflow valve
10/15/2008EP1980749A1 Electric compressor, and air conditioning system for vehicle, using the electric compressor
10/15/2008EP1980748A1 Integration of automated cryopump safety purge
10/15/2008EP1979620A1 Improved compressor device
10/15/2008EP1979615A1 Airflow compressor control system and method
10/15/2008EP1979614A1 Operating method for a hydraulic machine
10/15/2008EP1899604B1 Axial piston machine
10/15/2008EP1456538B1 Dual capacity compressor
10/15/2008EP1442222B1 Vacuum pump
10/15/2008CN201133341Y Compressor air pressure control switch
10/15/2008CN101285464A Combination pressure switch
10/15/2008CN101285463A Sucker-rod pump oil pumping machine oil pumping control method and its system
10/15/2008CN101285462A Piston reciprocating compressor step compression method and system
10/14/2008US7437215 Method and system for improving pump efficiency and productivity under power disturbance conditions
10/14/2008US7435059 Flow controlled blood pump system
10/14/2008US7434416 Air-conditioning system
10/14/2008CA2496909C Unloading/venting valve having integrated therewith a high-pressure protection valve
10/11/2008CA2587255A1 Perforated pump protector assembly for a down hole oil well pump
10/09/2008WO2008121051A1 A method in a milking system for creating a required vacuum level and computer program products
10/09/2008WO2008119466A1 Fluid pump having an operating part designed as a remote control module
10/09/2008WO2008119452A1 Pump stand
10/09/2008US20080247883 Displacement control valve for variable displacement compressor
10/09/2008US20080247882 Split-Pressure Dual Pump Hydraulic Fluid Supply System for a Multi-Speed Transmission and Method
10/09/2008US20080247880 Systems and Methods for Reducing Pump Downtime by Determining Rotation Speed Using a Variable Speed Drive
10/09/2008US20080245899 Pressure washer system and operating method
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