Matches 1 - 50 out of 161 1 2 3 4 >


Match Document Document Title
US20120195779 HIGH PRESSURE PUMP  
A plunger stopper is installed to a cylinder hole forming portion of a cylinder forming member. The plunger stopper cooperates with a step portion of a plunger to limit movement of the plunger in...
US20100098568 Mud pump systems for wellbore operations  
A system for pumping a drilling fluid mixture, the system, in certain aspects, having a pump apparatus, the pumping apparatus having a body with an inlet and an outlet, a suction valve and a...
US20110280755 PUMP, PUMP ARRANGEMENT AND PUMP MODULE  
A pump has an inlet opening, an outlet opening, a pump diaphragm comprising an opening, provided with a passive check valve, through the pump diaphragm, and an actuator configured to move the pump...
US20140127066 INLINE PUMP ASSEMBLY AND METHOD  
A pump assembly and methods of use and conversion including a sealed housing, at least one in-tank, not sealed pump contained in the sealed housing, an outlet check valve inside each pump, and an...
US20130017110 DIAPHRAGM PUMP USING DUCKBILL AND OTHER TYPES OF VALVES  
A diaphragm pump is provided that features a valve housing configured with inlet openings and outlet openings; inlet duckbill check valve assemblies, each configured to be arranged in a respective...
US20140044578 POWDER PUMP FOR CONVEYING COATING POWDER  
The invention relates to a powder pump (100; 100′) for conveying coating powder, the powder pump (100; 100′) having a powder chamber (10; 10′) with a casing tube (1; 1′) and a gas-permeable filter...
US20050158187 DENSE PHASE PUMP FOR DRY PARTICULATE MATERIAL  
A dense phase pump for particulate material includes a pump chamber wherein material flows into the pump chamber under negative pressure and flows out of the pump chamber under positive pressure....
US20070128061 Fixed volume valve system  
Embodiments of the present invention provide valves that provide for uniform holdup volume. An embodiment of the present invention provides a valve comprising a valve body (e.g., one or more...
US20100329911 CHECK VALVE AND PISTON PUMP HAVING CHECK VALVE  
A check valve for arranging between a first pressure chamber, in which a first pressure prevails, and a second pressure chamber in which a second pressure prevails. The valve comprises a valve...
US20140227112 Vacuum Pump  
A vacuum pump for generating an underpressure has a pump chamber (14, 15) with an inlet (143) and an outlet (150), wherein the outlet (150) is equipped with a valve (3). According to the...
US20140345713 SUCTION VALVE ASSEMBLY FOR ALTERNATIVE COMPRESSOR  
The present invention refers to a suction valve assembly for alternative compressors. Said suction valve assembly comprises at least two suction valves (3) independent from one another and...
US20140208732 DIRECT COMBUSTION TYPE PLUNGER HYDRAULIC PUMP  
A direct-fired plunger hydraulic pump, comprising a combustor (1), a high-temperature heat exchanger (2), a steam chamber (3), at least one cylinder plunger mechanism (10), a steam refrigerator...
US20080190492 Outlet Fitting for a High-Pressure Pump  
The invention relates to an outlet connection of a fluid high-pressure light, in particular a high-pressure line for fuel, and comprises an outlet bore, an outlet valve that is situated in said...
US20110150680 Disposable Pumping System and Coupler  
A coupling system for receiving a push rod includes a housing defining an internal channel having a sloped wall, and a piston received within the internal channel. The piston includes at least one...
US20070065321 ELASTOMERIC RECIPROCATING COMPRESSOR VALVE SPRING  
An elastomeric storage device for use in a gas compressor valve is provided. Reciprocating gas compressor valves use these storage devices to control the closing of a valve sealing element.
US20060013698 Locomotive air compressor system with enhanced protection against leakage causative of backflow of pressurized air from a reservoir  
A compressor system, method and kit are provided for supplying pressurized air to a main storage reservoir of a locomotive. The compressor system includes a high-pressure cylinder having at least...
US20090014678 Elastomeric Sealing Element for Gas Compressor Valve  
This invention relates to the use of elastomers with the sealing element of reciprocating gas compressor valves to increase the reliability of the gas tight seal within the reciprocating gas...
US20110274573 HALF-SLEEVED AND SLEEVELESS PLASTIC PISTON PUMPS  
In one aspect, a brake pump assembly with a hydraulic block and a pumping element including a polymer piston that is received in a piston bore. A circumference of the polymer piston defines a...
US20140030128 PISTON PUMP HAVING A CYLINDER BARREL  
A piston pump for delivering fluids includes a piston configured to be driven to perform a reciprocating stroke movement. The piston pump includes a cylinder barrel in which the piston is held in...
US20130017102 OVER-CENTER LINKAGE  
A novel changeover mechanism for a compressed air driven double diaphragm pump comprises a shaft slidably mounted through aligned apertures in opposing surfaces of the twin diaphragm chambers. At...
US20100221131 Pump  
The present invention provides a diaphragm-type pump for feeding a low-viscosity fluid such as air under high pressure while miniaturizing the size of a feeding means. In the pump connected with a...
US20140193281 FUEL PUMP FOR AN INTERNAL COMBUSTION ENGINE  
A high-pressure fuel pump for an internal combustion engine is described. The high-pressure fuel pump includes an improved configuration that beneficially simplifies certain features of the...
US20080267800 Reciprocating Pump  
A pump (60, 160) has a pair of working members (preferably diaphragms 1, 2, 101, 102) and a pump chamber (3, 4, 103, 104) associated with each working member is communicated via check valves...
US20090087329 Compressor Having Improved Valve Plate  
A compressor may include a compressor body defining a compression cylinder, a compressor head coupled to the compressor body, and a valve plate assembly disposed between the compressor head and...
US20140010674 PUMP FACILITY FOR A HEARING DEVICE AND METHOD OF INFLATING AND DEFLATING AN EARMOLD MEMBER  
A pump facility for an earmold of a hearing device communicates by way of a channel facility with a variable-volume element of the earmold. A medium can flow through the channel facility to the...
US20110103984 VALVE AND DIAPHRAGM FOR A PUMP  
A diaphragm pump (10) having a pump body (11) providing opposing pump chambers (12, 13). Mounted in the body is a piston assembly (14) having pistons (15) joined by a piston rod (16). Each piston...
US20120148431 Plunger for downhole pumps  
A pump plunger for a sucker rod pump includes an elongated plunger body having first and second plunger body ends and a longitudinal plunger body bore extending between the first and second...
US20100008805 VALVE ASSEMBLY AND SYSTEM  
A novel valve assembly is provided. In one embodiment, the valve assembly includes a seat plate that includes a fluid conduit and an impact bushing that is coupled to the seat plate at a position...
US20050238518 Discharge check valve assembly for use with hermetic scroll compressor  
A discharge check valve assembly for use with a hermetic scroll compressor having a compressor shell is provided. The discharge check valve assembly includes a valve housing and a valve seat...
US20100290935 PUMP ARRANGEMENT COMPRISING A SAFETY VALVE  
A pump arrangement includes a pump having a pump inlet and a pump outlet, and a safety valve arranged between the pump outlet and an outlet of the pump arrangement and having a valve seat and a...
US20120121449 CHECK VALVE  
Check valve with a valve housing, on which is formed a valve seat. The valve seat is designed as an oblique face with respect to a flow direction. A shut-off element has at least one sheet-like...
US20140030127 VALVE, IN PARTICULAR AN OUTLET VALVE OF A HYDRAULIC PISTON PUMP  
A valve, in particular an outlet valve of a hydraulic piston pump for delivering a fluid, includes a valve seat, a valve closing body, and a guide mechanism. A valve orifice is formed in the valve...
US20110206546 Fluid end assembly  
A fluid end assembly including a pump housing with a number of interior passages for the flow of fluids. The housing has a plunger bore with a closed inner end and an open outer end. A suction...
US20060008365 Integrated pump and check valve apparatus  
A pump apparatus is provided which comprises a displacement pump and a check valve apparatus. The displacement pump comprises a reciprocating piston within a housing having an interior wall spaced...
US20100272590 MOTORIZED VACUUM/PRESSURE PUMP AND STOPPER  
A pump and stopper combination for vacuum or pressure sealing a container. The stopper has a pour opening and a one-way valve movable between an operative position to permit one-way flow of fluid...
US20140348677 Positive Displacement Pump and Suction Valve Module Therefor  
A device for pumping a fluid comprises a suction valve module. In addition, the device comprises a discharge valve module. Further, the device comprises a fluid flow passage extending between the...
US20150020776 FUEL DELIVERY SYSTEM CONTAINING HIGH PRESSURE PUMP WITH ISOLATION VALVES  
A fuel delivery system including a high pressure fuel pump assembly. The assembly includes first and second output fuel paths each in communication with a fuel pump chamber. A main pressure relief...
US20140318363 HARMONIC UNIFLOW ENGINE  
A reciprocating-piston uniflow engine includes a harmonic oscillator inlet valve capable of oscillating at a resonant frequency for controlling the flow of working fluid into the engine. In...
US20140308144 Pump  
A manually operated pump for supplying air to a bicycle comprises an outer tube with one end closed and the other end open; a core tube which can slide in the outer tube and is provided with a...
US20080152522 Fluid Pump and Motor Unit  
A pump powered partly by a mechanical drive and partly by a pressurised fluid flow, offering energy savings up to 90% in reverse osmosis systems. The pump consists of one or more...
US20070243089 Check Valve for Displacement-Type Pump  
The present invention provides a check valve for a displacement-type pump, in which fluid pressure loss is reduced and which increases pump efficiency. The check valves are arranged in direction...
US20070264143 PUMP FOR PROVIDING THREE MODES OF PUMPING  
A pump includes a base and a cylinder installed on the base. The base defines a pumping channel. The cylinder defines a first chamber and a second chamber with a diameter different from that of...
US20130084201 COMPRESSOR  
A compressor valve structure permits improvement in durability and volumetric efficiency of a compressor and limits power losses. The width of the base portion of each suction reed valve is...
US20110189040 Fluid end  
A fluid end for a high-pressure pump including a metallic block having a front, back, top, bottom, and opposed sides. The block has a horizontal, plunger passage extending from the front to the...
US20050047940 Pump provided with exaust valve device and hemodynamometer incorporating the same  
A diaphragm is provided in a pump case so as to define a pump chamber communicated with an external member having an air chamber. An exhaust valve exhausts air in the pump chamber to lower a...
US20150004036 RELIEF VALVE ASSEMBLY AND COMPONENTS THEREOF  
A relief valve assembly is provided for use in connection with high pressure and ultrahigh pressure pumps. The relief valve assembly includes a valve pin having an engagement portion with a...
US20110014076 Draw back push pump  
A piston pump dispenser having a reciprocating piston pump arrangement which in a dispensing stroke dispenses fluid from an outlet and in a charging stroke draws fluid from a reservoir and also...
US20110295229 In-plane electromagnetic mems pump  
A micromechanical pumping system is formed on a substrate surface. The pumping system uses a pumping element which pumps a fluid through valves which move in a plane substantially parallel to the...
US20120222760 VALVE CARTRIDGE FOR PUMP SYSTEMS  
An illustrative valve cartridge for a pump system is disclosed. In one example the valve cartridge includes a cartridge body, a mounting flange operatively coupled to the cartridge body, wherein...
US20150025461 Microfluidic Delivery Device  
A system for the precise metering and delivery of discrete volumes is described. The system is composed of inexpensive components that can be easily assembled, allowing for cost-effective...

Matches 1 - 50 out of 161 1 2 3 4 >