Patents
Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967)
06/2003
06/04/2003EP0920591B1 Electronic control method for drain pumps used in electrical home appliances
06/04/2003CN2554401Y Detection device for water intake of oil-immersed type submersible pump
06/04/2003CN2554400Y Automatic controller of submmersible pump
05/2003
05/29/2003US20030099539 Radial pump
05/21/2003EP1312803A2 Automatic pump
05/20/2003US6565325 Processor based pump control systems
05/20/2003US6564627 Determining centrifugal pump suction conditions using non-traditional method
05/15/2003US20030091443 Apparatus and method for controlling a pump system
05/14/2003EP1310678A1 Radial pump
05/13/2003US6561770 Engine water pump with temperature responsive drive
05/08/2003US20030088147 Implantable heart assist system and method of applying same
05/06/2003US6558127 Fluid discharge device and fluid discharge method
04/2003
04/30/2003DE29824911U1 Electric motor circulation pump
04/24/2003US20030075207 Cleaning liquid supply system having pumps connected to tank
04/23/2003CN2546663Y Pump with temperature monitor
04/23/2003CN2546662Y Constant pressure variable frequency pump
04/17/2003WO2002086322A3 Fluid controlled pumping system and method
04/17/2003US20030072655 Flow regulator for a water pump
04/15/2003US6547529 Dry tank shutdown system for pumps
04/10/2003WO2003029656A1 Pump control system
04/10/2003CA2462362A1 Pump control system
04/03/2003US20030065425 Pump controller for submersible turbine pumps
04/03/2003US20030063978 Pump control system
04/02/2003EP1298325A2 Pump control system
04/02/2003CN2542852Y 自动供水装置 Automatic water supply device
04/02/2003CN1407241A Pump device and method for generating adjustable constant fluid volume flow and its application
03/2003
03/27/2003US20030060989 Method for calculating characteristic curve of centrifugal fluid machine by computer
03/26/2003CN2541635Y Water pump cut-off controller
03/25/2003US6537032 Load dependent variable speed hydraulic unit
03/19/2003EP1293679A1 Pump unit and liquid level switch
03/19/2003EP1293678A2 Pump impeller with valve function
03/18/2003US6534940 Marine macerator pump control module
03/13/2003WO2002088547A3 Method for controlling an assist pump for fluid delivery systems with pulsatile pressure
03/13/2003US20030047621 Washer system having single tank for storing cleaning liquid
03/12/2003CN1401911A Multi-stage variable pressure water supply pump for supply of water in city
03/11/2003US6532430 Method for determining a turbine pump RPM profile
03/11/2003US6531842 Sine wave variable speed drive
03/11/2003US6530758 Composite fluid control membrane for windshield washer pump and method of manufacturing same
03/05/2003EP1288988A1 A pressure-actuated switch
03/05/2003EP1288501A2 Pump pressure sensor
03/05/2003EP1287260A1 Submersible electrolyte circulation system
03/05/2003CN2538987Y Pump-controlled adjustable pumping pressure flow automatic water injecting device
03/05/2003CN2538986Y 自动水泵 Automatic Pump
03/04/2003US6527517 Pump
02/2003
02/27/2003US20030039556 Process for determining a reference characteristic for controlling a pump
02/27/2003US20030039549 Dry tank shutdown system for pumps
02/26/2003EP1286240A1 Method of determining a pump-characteristic
02/26/2003EP1286056A1 System and method for detecting and diagnosing pump cavitation
02/25/2003US6524078 Pond pump with reversing means to prevent rotation in the opposite direction
02/22/2003CA2396634A1 Process for determining a reference characteristic for controlling a pump
02/20/2003US20030035730 Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method
02/20/2003US20030033859 Apparatus and a method for determining the viscosity of a fluid
02/19/2003EP1284415A1 Method and device for determining the viscosity of a fluid
02/19/2003EP1284370A1 Method for delivering variable amounts of flow, and dosing pump using this method
02/19/2003EP1284369A1 Method for delivering variable amounts of flow, and dosing pumping using this method
02/18/2003US6520745 Performance regulating device for fluid machinery
02/13/2003US20030031552 Method for selecting centrifugal fluid machine by computer
02/13/2003US20030029932 Headlamp cleaner & injection control method
02/12/2003WO2002088547A2 Method for controlling an assist pump for fluid delivery systems with pulsatile pressure
02/12/2003EP1036277B1 Pump arrangement for liquid tanks
02/12/2003CN2535583Y Long-distance control device for pump
02/05/2003CN2534397Y Double-water channel warm-air circulating pump
02/04/2003US6516249 Fluid control system with autonomously controlled pump
02/04/2003US6515386 Motor construction unit for a submersible pump unit
01/2003
01/30/2003US20030021695 Method and apparatus for dynamically determining vapor pressure in pumping systems
01/29/2003CN2533301Y Frequency-change controlling device for compound pump
01/23/2003WO2003005875A1 Dishwasher comprising spraying arms and a circulating pump
01/16/2003WO2003004840A1 Cooling system for a motor vehicle engine
01/16/2003US20030012667 Method and device for discharging fluid
01/09/2003WO2003003545A1 Operation monitor for canned motor
01/09/2003WO2003002875A1 Composite fluid control membrane for windshield washer pump and method of manufacturing same
01/09/2003WO2002084117A3 Speed variable feed pump
01/08/2003EP1272760A1 Variable flow water pump
12/2002
12/31/2002US6499963 Coolant pump for automotive use
12/26/2002US20020195988 Sine wave variable speed drive
12/25/2002CN2527749Y Water level self-controlled switch for water pump
12/24/2002US6497556 Fluid level control for a downhole well pumping system
12/19/2002US20020192088 Centrifugal pump with multiple inlets
12/19/2002US20020192072 Variable flow impeller-type water pump with movable shroud
12/19/2002US20020190687 Marine macerator pump control module
12/18/2002CN2526555Y 水泵控制器 Pump Controller
12/18/2002CN1385613A 恒压供水控制系统 Water supply system
12/11/2002EP1265014A1 Pump and over-center snap link
12/11/2002EP1265013A1 Pump and over-center snap link
12/11/2002CN2525288Y Full automatic submersible pump water supply device
12/11/2002CN2525287Y Micro pipeline pressure increasing automatic pump
12/10/2002US6491503 Delivery device
12/10/2002US6490986 Bilge pump interface housing and method of facilitating operation and replacement of a bilge pump and float switch
12/05/2002US20020183693 Drug pump systems and methods
12/04/2002EP1261900A1 Method and system for automatically controlling water level in storage tank through wireless control process
12/03/2002US6488484 Hydraulic pump with permanent-magnet motor having a preset direction of rotation
12/03/2002US6487903 Method and system for determining pump cavitation and estimating degradation in mechanical seals therefrom
11/2002
11/28/2002US20020176783 Method for the operation of a centrifugal pump
11/28/2002US20020176782 Pump and controller system and method
11/20/2002CN1094569C Water submersible motor pump
11/19/2002US6481973 Method of operating variable-speed submersible pump unit
11/14/2002WO2002091554A1 Downhole torque generator
11/14/2002WO2002091553A1 Downhole torque-generating and generator combination apparatus
11/13/2002EP1256724A1 Motor pump unit with delayed starting
11/13/2002EP1256723A1 Motor pump unit controlled by electric current analysis
1 ... 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 ... 50