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)
04/2014
04/09/2014CN203532219U Intelligent control system of chlorine dioxide generator based on electromagnetic pump
04/09/2014CN203532218U Constant-pressure diesel engine water pump unit controller
04/09/2014CN203532217U Control logic unit with two pumps mutually serving as stand-by pump and with stand-by pump being started automatically
04/09/2014CN203532216U Air pump automatic drainer
04/09/2014CN203532213U Diaphragm pump hydraulic end allowing flow to be adjusted during running
04/09/2014CN203532185U Coal bed gas compressor
04/09/2014CN203532182U Tilted high-speed quantitative fluid injector
04/09/2014CN203531950U Fire preventing and extinguishing long-distance dynamic pressure grouting system for mine and monitoring device thereof
04/09/2014CN103711684A Intelligent control device special for air source heat pump
04/09/2014CN103711681A Bladeless waste-gas ventilation fan for factory building
04/09/2014CN103711598A Hydraulic system adjusting equipment, hydraulic system adjusting method, hydraulic system power matching control system and engineering machinery
04/09/2014CN101925706B Water supply
04/08/2014US8690544 Oil pump
04/08/2014US8690542 Method and arrangement for soft start up of a pump system
04/08/2014CA2716203C Infusion pump
04/03/2014WO2014052307A1 Compressor having a control and diagnostic module
04/03/2014WO2014050195A1 Control device
04/03/2014WO2014048842A1 Hydraulic apparatus having an improved structure for the cylinder implementation thereof
04/03/2014WO2014048418A1 Method and device for actuating an electrically commutated fluid working machine
04/03/2014WO2014047769A1 Reciprocating low-speed heavy-load hydraulic pump with variable action area
04/03/2014US20140093543 Method and vacuum container for preparing a bone graft
04/03/2014US20140093402 Passive pressure regulation mechanism
04/03/2014DE19726239B4 Hydrostatisches Antriebssystem mit einer Pumpe und einer Mehrzahl von daran angeschlossenen Verbrauchern Hydrostatic drive system having a pump and a plurality of consumers connected thereto
04/02/2014CN203521309U Water pump-used mechanical water-level float switch structure
04/02/2014CN203516062U Plunger pump pressure regulating and limiting mechanism
04/02/2014CN203516050U Road prestress oil pump
04/02/2014CN203516049U Blowout preventer for pump tripping of oil well pump
04/02/2014CN203516048U Electrical accessory modular structure of compressor
04/02/2014CN203516047U Anti-reversion device for oil field fuel delivery pump
04/02/2014CN203516046U Diaphragm leakage guiding device of woven wire mesh
04/02/2014CN203516045U Simple timing circuit for sewage pump
04/02/2014CN203516044U Control device of concrete boom pump
04/02/2014CN203516043U Intelligent diesel pump control system
04/02/2014CN203516042U Intelligent slurry pump control device
04/02/2014CN203516041U Control system of air compressor
04/02/2014CN203516040U Magnetomotive water level float switch structure for water pump
04/02/2014CN203516039U K3v hydraulic pump variable control device
04/02/2014CN203516033U Electric oil production pump
04/02/2014CN203515993U Compressor for ground source heat pump
04/02/2014CN203515992U Refrigeration compressor
04/02/2014CN203515699U Pure-condensation type small steam turbine fan driving system with speed adjusting through frequency conversion generator and generator set
04/02/2014CN203515688U Emergency governor pilot valve
04/02/2014CN103703250A Cylinder head for a compressor
04/02/2014CN103696956A Torque-balanced flow distribution pair for water hydraulic axial piston pumps
04/02/2014CN103696955A System and method for controlling outlet butterfly valve of circulating water pump
04/02/2014CN103696954A External control variable displacement compressor torque compensating method and system
04/02/2014CN103696953A Air compressor control device
04/02/2014CN103696952A Intelligent vacuum pump
04/02/2014CN102536295B Intelligent local ventilation system
04/02/2014CN102261329B Stroke regulation mechanism for metering pump
04/02/2014CN101761469B Hydraulic pump control device for building machine
04/01/2014US8684702 Variable displacement pump
04/01/2014US8684699 Pump for a high-pressure cleaning appliance
04/01/2014CA2716201C Tubing misload detection mechanism for an infusion pump
03/2014
03/27/2014WO2014047645A1 Methods, systems, and computer readable media for sectional-based speed control of a linear pump
03/27/2014WO2014047377A2 Method and apparatus for decompressing a compressor
03/27/2014WO2014044460A1 Method for operating a brush roll on a roll stand, and brush roll
03/27/2014WO2014044000A1 Jumping-proof stopping method of dual-cylinder pumping system, dual-cylinder pumping system, and pumping equipment
03/27/2014US20140086759 Hydraulic Power System for HVAC Compressor
03/27/2014DE212012000152U1 Eine intelligente und effiziente Tiefbrunnenpumpe An intelligent and efficient deep well pump
03/27/2014DE202014100195U1 Verhinderung von Vereisung eines Verdampferkerns eines Fahrzeugs Prevent icing of the evaporator core of a vehicle
03/27/2014DE102012109074A1 Verfahren und Vorrichtung zur Ansteuerung einer elektrisch kommutierten Fluidarbeitsmaschine Method and apparatus for controlling a fluid-working machine electrically commutated
03/26/2014EP2711549A1 Pump control device for high pressure cleaners
03/26/2014CN203499979U Device for reducing water hammer effect of high-lift water pump station
03/26/2014CN203499976U Automobile air compressor control device
03/26/2014CN203499975U Fault alarm system for pneumatic diaphragm pump
03/26/2014CN203499974U Coal mine air compressor set on-line monitoring system
03/26/2014CN203499973U Simple adjustor used for vanadium battery electrolyte circulating pump
03/26/2014CN203499972U Integrated water pump controller
03/26/2014CN203499971U Device for avoiding reversing of equipment caused by pump or fan accidents
03/26/2014CN203499970U Electronic pressure controller
03/26/2014CN203499969U Air compressor frequency conversion driving system
03/26/2014CN203499968U Fully-automatic pump-warming control device
03/26/2014CN203499967U Control device of piston type air-compressor
03/26/2014CN203499966U Water pumping automatic switch
03/26/2014CN203499948U Compressed blower
03/26/2014CN203499942U Electronic plunger pump
03/26/2014CN103676988A Water level detection control circuit applied to draining pump and working method thereof
03/26/2014CN103673500A Refrigerator with electrodeless dual-frequency compressor
03/26/2014CN103672345A Electrical interlock start device of control loops of oxygen compressor oil pumps
03/26/2014CN103671065A Device for detecting flow and working pressure of steam cleaner solenoid pump
03/26/2014CN103671060A Sensor-free constant current pump valve integrated device
03/26/2014CN103671059A Cooling system
03/26/2014CN103671058A Adjusting device used for fluid static force pump and fluid static force pump
03/26/2014CN103671057A Protection controller of oilless air compressor
03/26/2014CN103671056A Controller of compressor of air conditioner of electric automobile
03/26/2014CN103671055A Intelligent control system and control method for piston reciprocating type air compressor set
03/26/2014CN103671054A Non-sensing constant-current frequency conversion method and device for fluid transfer and distribution system
03/26/2014CN103671053A Protective system used for water well submerged pump
03/26/2014CN103671052A Power generating device and control method thereof
03/26/2014CN103671051A Automatic temperature control type constant flow pump
03/26/2014CN103671050A Spray control method and device for compressor and air conditioning system
03/26/2014CN103671049A Farmland irrigation and drainage controller capable of avoiding pump motor from being damaged caused by water-free pumping
03/26/2014CN103671048A Electromechanical fully-automatic water pumping control device
03/26/2014CN103671047A Electric pump with controller and control method of electric pump
03/26/2014CN103671046A System and method for diagnosing a fault in a switchable water pump for an engine based on a change in crankshaft speed
03/26/2014CN103671045A Oil mass control device of oil pump
03/26/2014CN103671044A Method and device for controlling frequency of compressor
03/26/2014CN103671033A Pressure induction control valve
03/26/2014CN103671016A Vacuum pump with adjustable pressure vacuum degree
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