Matches 1 - 50 out of 79 1 2 >


Match Document Document Title
US20130209289 Three Element Diaphragm Damper For Fuel Pump  
A damper assembly for a fuel pump includes at least one diaphragm assembly formed by joining two metal diaphragms to respective two sides of an imperforate central plate, thereby creating a pair...
US20110189030 FLUID PUMP  
The present invention relates to the oil pump, and can be used with a standard pump jack. The pump can be used to withdraw any type of fluid, including water for example. Certain aspects of the...
US20130243622 Pump  
A pump that has a cavity (13) in which is located a non-elastomeric membrane (14). An inlet (24) opens into the cavity (13) and is associated with a valve (27). A valve (28) is likewise provided...
US20140241905 Positive Displacement Pump with Pressure Compensating Calibration  
Illustrative embodiments of positive displacement pumps utilizing pressure compensating calibration, as well as related systems and methods, are disclosed. In one illustrative embodiment, a method...
US20140093406 Housing with two housing parts made of plastic  
The invention refers to a housing (1) with a housing axis (8) and two housing parts (2, 3) mane of plastic, and with a joint extending between them transversally to the housing axis, in which case...
US20140227110 Diaphragm Pump with Automatic Priming Function  
Illustrative embodiments of diaphragm pumps having an automatic priming function, as well as related systems and methods, are disclosed. In one illustrative embodiment, a method of priming a...
US20130230417 HIGH-PRESSURE PUMP  
A high-pressure pump has an elastic member arranged in a damper chamber between a first diaphragm and a second diaphragm. The elastic member is always in contact with both diaphragms while the...
US20110229352 High Pressure Double Membrane Pump and Membrane Element for Such a Pump  
A high pressure double membrane pump has a central housing (3), two cylindrical pump chambers (7,8), a coupling rod (4) which moves back and forth when the pump is in operation and which has a...
US20100284834 Air Operated Diaphragm Pump With Electric Generator  
An air operated double diaphragm pump comprises an integrated electric generator and an air efficiency device. The integrated electric generator increases the portability of the air operated...
US20090053074 Positive displacement pump and method of use thereof  
The present invention relates to positive displacement pumps, and particularly to diaphragm positive displacement pumps. An inventive diaphragm positive displacement pump is provided comprising at...
US20110028853 CHECK VALVE STRUCTURE, DIAPHRAGM PUMP, AND SPHYGMOMANOMETER  
A check valve structure has a first space and a second space. The check valve structure is configured to allow a flow of a fluid from the first space to the second space and to inhibit flow of the...
US20070248474 Air driven pump with performance control  
An air driven diaphragm pump includes an performance control actuator having a housing with opposed air chambers. The pump includes pump chambers facing the air chambers and pump diaphragms...
US20120308412 Diaphragm Metering Pump Device for Medical Use  
This pump comprises a chamber and an annular pumping diaphragm secured to the said chamber and the inner edge of which is secured to a central drive part. This diaphragm has a convex domed profile...
US20110280747 PUMP WITH AN ELASTIC MEMBRANE AND HYDRAULIC CONTROL  
A hydraulically-controlled diaphragm pump has a pump chamber (3) formed between a pump head and a pump body (9) with a movable wall formed by a diaphragm that is elastically deformable from its...
US20130078121 SEPARATION TYPE PNEUMATIC DUAL PARTITION MEMBRANE PUMP AND EXTERNAL PNEUMATIC CONTROL VALVE THEREOF  
The present invention relates to a separation type pneumatic dual partition membrane pump, which comprises a pump body and an external pneumatic control valve which is separately installed....
US20150050166 FLUID PUMPING SYSTEMS, DEVICES AND METHODS  
Embodiments of the present invention relate generally to certain types of reciprocating positive-displacement pumps (which may be referred to hereinafter as “pods,” “pump pods,” or “pod pumps”)...
US20130115105 FLUID PUMPING SYSTEMS, DEVICES AND METHODS  
Embodiments of the present invention relate generally to certain types of reciprocating positive-displacement pumps (which may be referred to hereinafter as “pods,” “pump pods,” or “pod pumps”)...
US20050053476 Diaphragm pump system  
A pumping system incorporating a diaphragm pump and in association therewith a pressure intensifier receiving pressurised driving fluid from a supply, said intensifier boosting the pressure of the...
US20110142692 Air Logic Controller  
An air logic controller for increasing the efficiency of an air operated double diaphragm pump. The air logic controller may increase the efficiency of the pump by controlling the supply of...
US20130243621 Miniature Pumps  
Miniature pumps for dispensing a volume a flowable substance are described. One pump embodiment includes an environmentally-responsive plug layer that can contract in size, e.g., when exposed to...
US20110282223 DIAPHRAGM PUMP AND BLOOD PRESSURE MONITOR  
A diaphragm pump for achieving reduced pressure ripple of an exhausted gas is provided. The diaphragm pump is a pump for transporting a gas in accordance with change in volume of a pump chamber,...
US20130101445 DOUBLE DIAPHRAGM PUMP  
A diaphragm pump, in which a fluid moves at least a first piston of a first piston/cylinder system back and forth, the first piston being mechanically connected to at least one other hydraulic...
US20120098215 PUMP FOR VEHICLE SUSPENSION SYSTEM  
A pump includes a housing defining an interior volume, and a diaphragm, where the diaphragm partitions the interior volume into a pumping chamber and an actuating chamber. The diaphragm is formed...
US20070065305 DIAPHRAGM PUMP FOR THE TRANSPORT OF LIQUIDS  
A diaphragm pump for conveying liquids for application in a sterile environment includes passageways for conduction of a liquid, and check valves for controlling a flow of liquid through the...
US20150260179 Fluent Product Dispensing Package and Diaphragm Pump For Use Therein  
A diaphragm pump (12) is provided for a fluent product dispensing package (10), and includes a rigid pump base (22), a pumping dome (20), and an outlet valve (122). The dome (20) can include a...
US20120045350 DOUBLE-DIAPHRAGM PUMPS  
A double-diaphragm pump comprising a pair of axially spaced apart pumping chambers, each chamber having a pumping diaphragm which divides each chamber into an inner and outer compartment, the...
US20120224984 DIAPHRAGM PUMP AND PUMPING SYSTEMS  
A process fluid pump can include a pump chamber, an inlet valve, and an outlet valve. Diaphragm regions can define at least a portion of each of the pump chamber, the inlet valve, and the outlet...
US20150118078 DIAPHRAGM CARTRIDGE AND PUMP HAVING A DIAPHRAGM CARTRIDGE  
A diaphragm pump includes a diaphragm cartridge assembly. The diaphragm cartridge is a self-contained unit having a diaphragm defining a pumped fluid side and a hydraulic fluid side and a seat...
US20130323083 CONVEYING UNIT FOR A REDUCING AGENT  
A conveying unit for conveying reducing agent from a tank to an exhaust gas treatment device for treating the exhaust gases from an internal combustion engine, includes a pump having a drive or...
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...
US20130078122 Diaphragm Circulator  
A diaphragm circulator for liquid material having an internal circuit provided with at least one material intake orifice for discharging the material. The circulator body defines a propulsion...
US20080089794 Pump for Supplying Chemical Liquids  
An opening 22d of a supply/withdrawal passage 22b is positioned at the center part of the internal wall surface 22c of the operating chamber 26 (concave area 22a), and a pin 24 that protrudes...
US20130115117 Double-Membrane Central-Flow Pump  
The present invention is a central flow double diaphragm pump controlled by an operating fluid distribution module on the topside. A pivoting sealing member with a protruding wing pivots on the...
US20080260553 MEMBRANE PUMP DEVICE  
A membrane pump device powered by an activating element includes a chamber body and a second chamber body. The interior of the chamber body is provided with a chamber. Both sides of the chamber...
US20100104458 PUMP  
A pump that has a cavity (13) in which is located a non-elastomeric membrane (14). An inlet (24) opens into the cavity (13) and is associated with a valve (27). A valve (28) is likewise provided...
US20150139821 PUMP CHAMBER INCLUDING INTERNAL SURFACE MODIFICATIONS  
A combination of a chamber wall and the flexible membrane defines a pump chamber in a diaphragm pump. The pump chamber includes one or more internal surfaces that are modified to include a pattern...
US20070092385 Pump and valve actuator system and method  
A double diaphragm pump including a dual spool valve actuator. A set of piston/diaphragm assemblies can be coupled to a pilot spool valve, which can direct air flow to a main spool valve. The main...
US20110027108 Polymer-Metallic Reagent Head  
A reagent head has a housing, an inlet and an outlet. Check valves and other details are not shown for clarity. The reagent head may have a dish where a diaphragm may seat when in a fully forward...
US20070177998 Liquid chemical supply system  
A liquid chemical supply system includes a liquid chemical pump having a pump chamber for supplying a liquid chemical and a volume variation member that will vary the volume of the pump chamber,...
US20120107152 MODULAR DIAPHRAGM PUMPING SYSTEM  
The present invention provides apparatus featuring a pump system, including a modular diaphragm pump system, comprising pump modules and couplers, where the pump modules are configured to receive...
US20070077156 Double diaphragm pump and related methods  
A pump for transferring a process fluid has a first pump chamber and a second pump chamber. A motive fluid actuates the pump chambers and control flow valves. The direction of process fluid flow...
US20110311379 PUMP DIAPHRAGM  
A diaphragm assembly designed for employment in a fluid driven diaphragm pump includes a piston having an inflexible core. This core includes a hub with a plate extending radially from about the...
US20150004003 Air Mass Control for Diaphragm Pumps  
Illustrative embodiments of diaphragm pumps, and pre-charging systems for use with such pumps, are disclosed. In at least one illustrative embodiment, a diaphragm pump may comprise a first...
US20120048407 DEVICES AND SYSTEMS FOR MEDICAL FLUID TREATMENT  
The devices and systems are medical fluid treatment therapies. The device and systems are configured and capable of operating based on small volumes of fluids. The devices and systems include a...
US20130195693 GRAPHENE-DRUM PUMP AND ENGINE SYSTEMS  
The present invention relates to pump systems and engine systems having graphene drums. In embodiments of the invention, the graphene drum can be utilized in the main chambers and/or valves of the...
US20080260552 MEMBRANE PUMP  
A membrane pump powered by an activating element includes a chamber body. The interior of the chamber body is provided with a first chamber and a second chamber that are in fluid communication...
US20110135514 Pump Device  
A pump device includes a pulsator as a drive element for a main pump head which is situated in a delivery line and the working chamber of which is provided with a suction-side non-return valve and...
US20130129535 PUMP  
A pump for conveying a fluid comprises a pump housing (1) with a fluid inlet (26), a pumping chamber (4), which has a flow connection to the fluid inlet (26), and a fluid outlet (25), which has a...
US20050238504 Flexible tank and a chemical liquid supply apparatus using the same  
A flexible tank has a volume-variable chamber formed so as to be sectioned by a flexible tube that is expanded or contracted in accordance with the amount of the contained chemical liquid, and...
US20080226468 Disposable positive displacement dosing pump  
A disposable positive displacement pump is disclosed. The pump includes a pump housing having head portion and a body, the head portion having one or more fluid passage openings. The pump also...

Matches 1 - 50 out of 79 1 2 >