http://www.freshpatents.com/Pumps-dtnewntc417.php USPTO Class 417 - Pumps en-us Mon, 30 Jan 2012 13:32:08 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20120126ptan20120020807.php Mon, 30 Jan 2012 13:32:08 -0800 A method for attenuating hydraulic pump flow pulses is described. The method includes pumping a fluid at a first hydraulic flow rate to an operating device via the pump, the flow being in the form of discrete fluid pulses. Further, the method includes obtaining values of plurality of parameters related... http://www.freshpatents.com/-dt20120126ptan20120020808.php Mon, 30 Jan 2012 13:32:08 -0800 Forces on and respective positions of a pump jack sucker rod are determined in real time by load cells attached to the sucker rod and a position sensor, and are stored for further processing. A wireless transmitter transmits stored load and position values, calculated process parameters, and/or exception alerts to... http://www.freshpatents.com/-dt20120126ptan20120020809.php Mon, 30 Jan 2012 13:32:08 -0800 A method of controlling the speed of an engine includes positioning a throttle at an operating position between an idle position that reduces the engine speed to an idle speed, and a normal speed position at which the engine runs at a speed greater than the idle speed, collecting a... http://www.freshpatents.com/-dt20120126ptan20120020810.php Mon, 30 Jan 2012 13:32:08 -0800 Embodiments of the invention provide a pumping system for at least one aquatic application. The pumping system includes a pump, a motor coupled to the pump, and a controller in communication with the motor. The controller determines an actual power consumption of the motor and compares the actual power consumption... http://www.freshpatents.com/-dt20120126ptan20120020811.php Mon, 30 Jan 2012 13:32:08 -0800 The present disclosure relates to a hydraulic fan control circuit for a machine, in particular for a motor vehicle, a construction machine or a lifting device, with at least one hydraulic pump and at least one hydraulic motor for driving at least one fan, wherein the hydraulic motor driving torque... http://www.freshpatents.com/-dt20120126ptan20120020812.php Mon, 30 Jan 2012 13:32:08 -0800 A water pump includes a housing, a pumping mechanism, and a pulley that receives an input torque. Rotation of a clutch disk provides a rotational force to the pumping mechanism. A ferromagnetic clutch ring rotates in unison with the pulley. The clutch ring moves between a disengaged position and an... http://www.freshpatents.com/-dt20120126ptan20120020813.php Mon, 30 Jan 2012 13:32:08 -0800 A compressor is provided. The compressor includes a housing, a valve plate, a cylinder block, piston units, a cam element, a driving shaft and a motor. The valve plate is fixed to one end of the housing. The cylinder block is rotatable relative to the valve plate and has cylinder... http://www.freshpatents.com/-dt20120126ptan20120020814.php Mon, 30 Jan 2012 13:32:08 -0800 There is provided a control valve for a variable displacement compressor capable of directly connecting a plunger to a valve rod in a relatively easy way, and realizing an improvement in assemblability, reduction in costs, and the like. A connecting cylinder for directly connecting the plunger to the valve rod... http://www.freshpatents.com/-dt20120126ptan20120020815.php Mon, 30 Jan 2012 13:32:08 -0800 A compressor has a case section; a driving motor provided in the case section and having an output shaft; head sections operated by the rotation of the output shaft of the driving motor and that suck and compress raw air to generate thereby compressed air; a raw air intake section... http://www.freshpatents.com/-dt20120126ptan20120020816.php Mon, 30 Jan 2012 13:32:08 -0800 A pump includes: a branch pipe extending from a pump body for branching a part of raw water introduced from outside through a raw water inlet; a first tank having an exhaust pipe of an engine accommodated therein, the raw water supplied via the branch pipe being evaporated by heat... http://www.freshpatents.com/-dt20120126ptan20120020817.php Mon, 30 Jan 2012 13:32:08 -0800 Provided is a reciprocating compressor having a structure in which friction losses between a shaft and a bearing can be reduced without impairing the ability of the bearing to support the shaft. A reciprocating compressor (100) includes a cylinder (5), a piston (4), a connecting rod (6), a shaft (1),... http://www.freshpatents.com/-dt20120126ptan20120020818.php Mon, 30 Jan 2012 13:32:08 -0800 An air compressor structure for paint spraying includes: a housing having an internal receiving space; an envelope body mated with the housing and having an internal chamber and an outlet in communication with the chamber; a magnetization unit disposed in the receiving space, the magnetization unit including a main body... http://www.freshpatents.com/-dt20120126ptan20120020819.php Mon, 30 Jan 2012 13:32:08 -0800 Disclosed are a bush bearing, a fabricating method thereof and a hermetic compressor having the same. A lubricant member of the bush bearing can be adhered onto a housing or press-fitted therein so as to remarkably increase the thickness of the lubricant member, whereby the bush bearing can be more... http://www.freshpatents.com/-dt20120126ptan20120020820.php Mon, 30 Jan 2012 13:32:08 -0800 A rotary pump intended to pump a fluid in a system on board a vehicle, such pump comprising a stator, a rotation axle attached both to a mechanical pumping element and a magnetic rotor, and electrical connections. The rotor, the stator and the electrical connections are overmolded in a leaktight... http://www.freshpatents.com/-dt20120126ptan20120020821.php Mon, 30 Jan 2012 13:32:08 -0800 A rocking piston type compressor is provided with a piston rod, a lip ring, and a ring holding member. The lip ring includes a center portion fixed by the ring holding member, and a lip portion upwardly extending around the center portion along a periphery of the ring holding member.... http://www.freshpatents.com/-dt20120126ptan20120020822.php Mon, 30 Jan 2012 13:32:08 -0800 A peristaltic pump system including an arcuate pressing surface, a force element that applies an occluding force towards the pressing surface, a drive mechanism that drives the force element, a diaphragm disposed between the pressing surface and the force element that defines a pump cavity, an actuator strip disposed between...