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)
03/2014
03/26/2014CN103671006A Hydraulic pressure supply system of automatic transmission
03/26/2014CN103671005A Hydraulic pressure supply system of automatic transmission
03/26/2014CN103671004A Hydraulic pressure supply system of automatic transmission
03/26/2014CN103670995A Concrete pumping system and control device and method
03/26/2014CN103670844A Fuel pump prime activated by door sensor
03/26/2014CN103655147A Massage system and control device and method of massage system
03/26/2014CN102168666B Fore vacuum pump protective device used for preparing solar cells
03/26/2014CN102014982B Manually-actuated reduced pressure treatment pump having regulated pressure capabilities
03/26/2014CA2791344A1 Peristaltic pump
03/25/2014US8678779 Fuel pump
03/25/2014US8678778 Flow-ducting unit with pump and fitting
03/25/2014US8678776 Vacuum generating device and method for the operation thereof
03/25/2014US8678773 Method and device for controlling a vacuum apparatus
03/25/2014US8678026 Automatic increased-suction relief apparatus
03/25/2014CA2702196C Hybrid hydraulic-electric ram pumping unit with downstroke energy recovery
03/20/2014WO2014041361A1 Peristaltic pump and method of controlling a peristaltic pump
03/20/2014WO2014040932A1 Compressed air system for a motor vehicle
03/20/2014WO2014040769A1 Device for the drive control of a two-cylinder thick matter pump
03/20/2014DE102013108534A1 Flüssigkeitspumpe mit Überströmventil Liquid pump with overflow valve
03/20/2014DE102011087664B4 Ventilanordnung Valve assembly
03/19/2014EP2708745A1 Multi-stage piston type compressor with idler valves to create an idle running function
03/19/2014EP2708429A1 Compressed air system for a motor vehicle
03/19/2014EP2707264A2 Actuating module for an electric vacuum pump
03/19/2014DE202013011190U1 Schaltautomat für eine Pumpensteuerung Automatic switch for pump control
03/19/2014CN203488352U Intelligent submersible pump control box
03/19/2014CN203488351U Safety interlocking device of large-scale compressor
03/19/2014CN203488350U Micro-power-source automatic water pump remote control system
03/19/2014CN203488349U Water-feeding pump
03/19/2014CN203488331U Portable electric vehicle-flushing pump
03/19/2014CN203487583U Self-suction type photovoltaic alternating current water pump water supply system
03/19/2014CN103648870A Actuating module for an electric vacuum pump
03/19/2014CN103644109A Method for preventing lubricating oil of piston type ammonia compressor from being emulsified
03/19/2014CN103644108A Electric air pump with built-in transformer
03/19/2014CN103644107A Air pressure control method and system of drilling machine air compressor
03/19/2014CN103644106A Control cabinet for electric submersible reciprocation pump
03/19/2014CN103644090A Liquid-gas jet type negative pressure pumping system and control method thereof
03/19/2014CN102979710B Pump truck and valve swinging system used for power machinery and control method thereof
03/19/2014CN102410195B Concrete pumping equipment and cut-off reversing device thereof
03/19/2014CN102102662B Vacuum pump with anti-back suction function
03/19/2014CN101594977B Electro-hydraulic control arrangement
03/18/2014US8676387 Methods and systems for determining operating states of pumps
03/18/2014US8672642 System and method for starting a compressor
03/18/2014US8672641 Electric submersible pumps
03/18/2014US8672640 Fan rotation speed control system and method
03/18/2014US8672639 Bilge pump and method
03/18/2014US8671697 Pumping system resistant to cavitation
03/18/2014DE202011110410U1 Kompressor mit Druckbegrenzung Compressor with pressure relief
03/14/2014CA2826593A1 Hydraulic oil well pumping system, and method for pumping hydrocarbon fluids from a wellbore
03/13/2014US20140072453 Intensifier Pump Monitoring System
03/13/2014US20140072451 Control system and method for reciprocating compressors
03/13/2014US20140072450 System and method for diagnosing a fault in a switchable water pump for an engine based on a change in crankshaft speed
03/13/2014US20140069092 Traction Control System for a Hydrostatic Drive
03/13/2014DE102012216242A1 Vorrichtung zur Antriebssteuerung einer Zweizylinder-Dickstoffpumpe Device for drive control of a two-cylinder thick matter pump
03/13/2014DE102012108576A1 Mehrstufiger Kolbenverdichter mit Leerlaufventilen zur Erzeugung einer Leerlauffunktion Multi-stage piston compressor with idle valves for generating an idle function
03/12/2014EP2705233A1 Control device for an air supply system and method for controlling or regulating an air supply system
03/12/2014CN203477837U Device for automatically switching backup low pressure pump to main low pressure pump of mill oil station
03/12/2014CN203476682U Safety valve for air compressor
03/12/2014CN203476681U Compressor protection module
03/12/2014CN203476680U Remote wireless control system of middle-voltage frequency converter of electric submersible pump
03/12/2014CN203476679U Double-pump confluence intelligent control system of flow type vehicle-mounted concrete pump
03/12/2014CN203476678U Variable flow energy-saving water system based on frequency converter
03/12/2014CN203476677U Air supply processing system for electrically-driven air compressor with oil pressure monitor ECU
03/12/2014CN203476676U AC timing variable-frequence governor used for water pump
03/12/2014CN203476675U Piston type air compressor cooling water flow control device
03/12/2014CN203476674U Low-pressure draining and water conservation recycling system
03/12/2014CN203476662U High-pressure diving type portable diaphragm pump
03/12/2014CN203476661U Pneumatic air bag circulation type pump and pneumatic air bag energy storage circulation type water pumping system
03/12/2014CN203476519U Correlation circuit structure of engine and air condition compressor
03/12/2014CN103635715A A method for controlling a power split continuously variable transmission and a power split continuously variable transmission
03/12/2014CN103635689A Hydraulic unit
03/12/2014CN103629419A Anti-vacuumizing stop valve of hydraulic pump
03/12/2014CN103629097A Automatic maintenance control system for foundation pit tube well dewatering
03/12/2014CN103629096A Automatic water pump control device
03/12/2014CN103629095A Small-sized diaphragm pump simulation frequency changing system and control method thereof
03/12/2014CN103629094A Pump device
03/12/2014CN103629088A Novel hydraulic diaphragm metering pump capable of carrying out pressure-equalizing limiting oil compensation
03/12/2014CN103629085A Waste steam pressurizing and recovering equipment for thermal power plant
03/12/2014CN103629081A Device and method for adjusting automobile air conditioner compressor exhaust volume with pressure difference
03/12/2014CN103628523A Water supply
03/12/2014CN102418682B Double-cylinder metering plunger pump and metering method thereof
03/12/2014CN102383466B High-efficiency cluster type water pump system with constant pressure and variable flow and operation control method
03/12/2014CN102160725B Combination of air mattress and bedstead
03/12/2014CN102066758B Method for controlling position of electromechanical actuator for reciprocating compressor valves
03/12/2014CN102032139B System and method for adjusting energy of magnetic suspension compressor
03/12/2014CN101879845B Air pump control air circuit for central tire inflation/deflation system
03/11/2014US8668465 Hydraulic system with supplement pump
03/11/2014US8668464 Method for transporting a fluid and device for producing a volume flow
03/11/2014US8667783 Method and system for controlling the operation of a pump
03/11/2014CA2713745C Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly
03/06/2014WO2014035455A1 Proportional air flow delivery control for a compressor
03/06/2014US20140064986 Motor drive system
03/05/2014EP2702459A1 Controller for controlling a frequency inverter and control method
03/05/2014EP2702272A2 Pump system
03/05/2014CN203465053U Mechanical automatic-stop pressure meter and tire inflation pump provided with pressure meter
03/05/2014CN203463270U Safe protector of piston air compressor
03/05/2014CN203463269U Air compressor controller with networking function and air compressor system
03/05/2014CN203463268U Liquid injection controller of semi-hermetic compressor
03/05/2014CN203463267U Mutually-inductive piezoelectric equal-proportion blending pump
03/05/2014CN203463266U Electronic controllable vacuum pump
03/05/2014CN203463261U Energy-saving air compressor system of aluminum foil production line
1 ... 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ... 221