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| Number | Title | Issue Date |
| 8105055 | Suction manifold mounting for a fluid end for a high-pressure pump A suction manifold mounting for a fluid end of a high pressure pump having a frame assembly. The fluid end has a body forging with a detachable suction manifold plate. The plate is pivotally attached at opposed ends to a pair of swivel arms through a cooperating pai... | 01/31/2012 |
| 7955059 | Fluid control device for a high pressure analytical instrument In various embodiments a fluid control device suitable for high pressure analytical instruments includes a housing having an interior surface with an end wall. The interior surface defines a chamber. A valve assembly disposed in the chamber controls the flow of flui... | 06/07/2011 |
| 7871251 | High-pressure pump for feeding fuel to an internal combustion engine A high-pressure pump for feeding fuel to an internal combustion engine has a pump housing; a fuel delivery duct; and a check valve, which is arranged along the delivery duct, and comprises a fuel chamber; a valve member mobile within the fuel chamber; and a biasing ... | 01/18/2011 |
| 7748966 | Radial piston pump for supplying fuel at high pressure to an internal combustion engine A radial piston pump (1) for supplying fuel at high-pressure to an internal combustion engine has a displacement housing (3) equipped with a compression chamber (4), a reciprocating piston which is arranged in a cylinder chamber (5) of a ... | 07/06/2010 |
| 7404704 | Manifold assembly for reciprocating pump A cylinder block assembly for a reciprocating pump includes a block body having a piston chamber that receives a piston of the reciprocating pump. The cylinder block assembly has an outlet valve assembly positioned within the block body that is positioned in fluid c... | 07/29/2008 |
| 7367789 | Device for maintaining a static seal of a high pressure pump A pressure enclosure includes a first component having an opening, a second component coupled to the first component in a position over the opening, a third component positioned between the first and second components and covering the opening, and a load chamber def... | 05/06/2008 |
| 7367788 | Pump for antilock braking system in vehicle A pump including a main body having a piston provided in a portion of the main body, the piston being configured to reciprocate linearly. A piston spring may be provided within the main body and configured to bias the piston toward an end of the main body. Further, ... | 05/06/2008 |
| 7364412 | System, method, and apparatus for valve stop assembly in a reciprocating pump A reciprocating pump assembly has a pump housing with a crankshaft. A plunger is connected to the crankshaft for pumping a fluid through a cylinder. The cylinder has a fluid inlet port and an opening that provides access to the cylinder. A suction cover is mounted i... | 04/29/2008 |
| 7341435 | Fluid end A fluid end for a high-pressure pump including a unitary body with a plurality of horizontal passages each for receiving a reciprocating plunger at one of its ends and a pressure relief valve at the other of its ends. The body is provided with a corresponding number... | 03/11/2008 |
| 7337538 | Methods and apparatuses for joining a pumping cartridge to a pump drive Apparatus and methods of their use are described for engaging a pumping cartridge with a pump drive. In certain embodiments, the cartridge, comprising a cylinder and a movable piston assembly, is initially assembled or subsequently positioned so that the distance be... | 03/04/2008 |
| 7335002 | Fluid end A fluid end for a high-pressure pump including a unitary body with a plurality of horizontal passages each for receiving a reciprocating plunger at one of its ends and a pressure relief valve at the other of its ends. The body is provided with a corresponding number... | 02/26/2008 |
| 7328688 | Fluid pumping apparatus, system, and method A fluid pumping apparatus, system, and method are disclosed in which an apparatus according to one embodiment of the invention comprises a housing, an inlet through which the fluid enters the housing, an outlet through which the fluid leaves the housing, a valve com... | 02/12/2008 |
| 7296981 | Pump having independently releasable ends In certain embodiments, a pump includes a first end section having a fluid inlet and a fluid intake valve, a second end section having a fluid outlet, and a midsection disposed between the first and second end sections, wherein the midsection includes a piston coupl... | 11/20/2007 |
| 7296980 | Intake valve for a high-pressure pump, in particular for internal combustion engine fuel An intake valve for a high pressure pump for internal combustion engine fuel having a valve body having a seat with which cooperates a shutter kept closed by a first spring of substantially constant pressure and by a second spring varying in pressure during at least... | 11/20/2007 |
| 7290560 | Valve cover locking system An apparatus and method to assemble and disassemble a valve cover locking screw assembly for a reciprocating pump module block. The module block has a bore, a removable valve cover closing the bore, and a valve cover locking ring securable to the block and surroundi... | 11/06/2007 |
| 7287547 | Inlet or outlet valve for a pump An inlet or outlet valve for a pump comprises a closing body (3) pretensioned by a spring element (4). The closing body (3) can open or close a passage on a valve seat (2). The valve also comprises a guide element (5) for guiding t... | 10/30/2007 |
| 7269467 | Shelf system A shelf system with computer-controlled compartment displays, whereby the displays indicate a number of articles to picked out of the compartment. The shelf system has a plurality of sliding shelves in that the shelves have at least one display element in their fron... | 09/11/2007 |
| 7240862 | Method and apparatus for disrupting cells in a fluid suspension by means of a continuous process Method for disrupting S. Cerevisiae yeast cells in an aqueous solution, by means of a continuous process under high pressure (up to 4000 bar), using a homogenizer. The suspension to be processed passes through a homogenizing valve with a “sharp edgeâ... | 07/10/2007 |
| 7217127 | Switching device for irrigation fluids in a dental handpiece A switching device for an irrigation line includes two flexible supply tubes (4a, 4b), each of the tubes connecting a flask containing an irrigation fluid to a handpiece via a peristaltic pump. The device includes at least one compression... | 05/15/2007 |
| 7195464 | Hydraulic axial piston pump A hydraulic axial piston pump comprising a cylinder block closed at sides by a head and by a containment casing for piston actuating a plate, an electric motor coupled to the plate, reversible locking means for a bypass valve inserted in a seat of the body and kinem... | 03/27/2007 |
| 7186097 | Plunger pump housing and access bore plug Suction valve spring retainers mounted using an access bore plug are described for use in plunger pump housings having an offset access bore and incorporating structural features for stress-relief. These pump housing structural features accommodate access bore plugs... | 03/06/2007 |
| 7182016 | High pressure fluid cylinder system A high pressure fluid jetting system generally includes a fluid cylinder pump, a drive assembly, a pressurized liquid supply and an applicator gun. The drive assembly includes a diesel or electric powered motor which drives a rotatable drive shaft. The drive shaft d... | 02/27/2007 |
| 7178556 | Modular component connector substrate assembly system A modular component connector substrate assembly for mounting thereon of at least one fluid control component, the assembly including at least two substrate blocks or one substrate block and an end block, all in fluid communication with each other via internal passa... | 02/20/2007 |
| 7125230 | Valve with operation parameter set at assembly and pump using same A valve is assembled by telescoping a first body component relative to a second body component until reaching a relative position that corresponds to a predetermined valve operation parameter, such as a valve opening pressure. The first body component is then fixed ... | 10/24/2006 |
| 7091186 | -Amidobenzylethers in drug delivery agents Compounds of the formulae LAn-Z-X—WwD and BZ-X—WwD wherein: D is a drug moiety; L is a ligand; B is a blocking group; A is an optional acyl unit; Z is an amino acid ... | 08/15/2006 |
| 7083395 | Pump system for pumping liquefied gases Under one aspect of the present invention, a liquefied gas pump assembly is coupleable to a source of liquefied gas. A cooling assembly is positioned generally adjacent to a pump module. The cooling assembly has a converging pump-head-receiving aperture, a fluid inl... | 08/01/2006 |
| 7074020 | Sanitary pump and sanitary valve A sanitary pump and sanitary valve is provided employing a dual action piston for providing a constant pressure metering and delivery of fluids utilizing a drive shaft positively driven and controlled by a drive motor for sanitary applications. The sanitary pump may... | 07/11/2006 |
| 7066722 | Discharge valve for compressor A compressor assembly including a compressor mechanism, a compression chamber and a discharge chamber. A discharge port provides fluid communication between the compression chamber and the discharge chamber. A valve seat circumscribes the discharge port. A discharge... | 06/27/2006 |
| 7063521 | Collapsible handgrip for inflator An inflator includes a hollow handgrip and an air cylinder having a shaft. One end of the shaft is connected with a piston in the cylinder and the other end of the shaft is provided with a stud extending out of the cylinder. A bottom wall and an opening are arranged... | 06/20/2006 |
| 6979184 | Manual negative pressure pump device A manual negative pressure pump device comprises a suction cylinder, a handle, a pull, a piston, and an expandable spring which forms a vacuum absorbing device. A front end of the suction cylinder is a thread post with outer thread. The thread post has a central thr... | 12/27/2005 |
| 6948921 | Vacuum pump comprising an outlet A vacuum pump (1, 30) has an inlet (5) and an outlet (6). Plug-in screw fittings (9) are connected with the inlet and the outlet. The plug-in screw fittings include a bore with an internal bevel (22) that receives a flexible connec... | 09/27/2005 |
| 6921254 | Pump A pump includes a cylinder, a piston, a connecting rod, a plug, a nozzle and a fastener. The cylinder includes a first open end and a second open end. The piston is movable in the cylinder. The connecting rod includes a first end connected with the piston in the cyl... | 07/26/2005 |
| 6910871 | Valve guide and spring retainer assemblies Valve guide and spring retainer assemblies are described for use in plunger pump housings that incorporate structural features for stress-relief. These pump housing structural features accommodate correspondingly-shaped valve guides and/or spring retainers that are ... | 06/28/2005 |
| 6896495 | Cylinder head and valve plate assembly for reciprocating compressor A reciprocating compressor that includes a cylinder block with a plurality of cylinder bores. A piston is positioned in each bore. Each piston is mounted to move in response to the a crankshaft, causing each piston to reciprocate within the cylinder bore. The compre... | 05/24/2005 |
| 6889662 | Fuel pump, in particular for an internal combustion engine with direct injection A fuel pump for use in a fuel injection system includes a housing at least one piston defining a work chamber and drive means which put the piston into a reciprocating motion in the chamber. An inlet conduit and an outlet conduit can be made to communicate with the ... | 05/10/2005 |
| 6783337 | Check valve seal assembly A check valve assembly includes a plug having a first end and a second end spaced along a longitudinal axis of the check valve assembly. The check valve assembly also includes a first valve seat, wherein the first end of the plug sealingly contacts the first valve s... | 08/31/2004 |
| 6755629 | Fuel injection pump having one-way valve for supplying fuel into pressurizing chamber Low pressure fuel led from a fuel tank to a fuel injection pump is pressurized and sent out to a common rail that accumulates the pressurized fuel therein. A one-way valve that allows the low pressure fuel led from the fuel tank to flow into the fuel injection pump ... | 06/29/2004 |
| 6725844 | High-pressure pump with an on-off valve for feeding fuel to an internal combustion engine The pump has a body including at least a fuel compression chamber and an actuating chamber enclosing the actuating members of the pump. The on-off valve has a shutter sliding inside a hole in the body to close a fuel feed conduit. The shutter is held in the closed p... | 04/27/2004 |
| 6716006 | Telescopic dual movement pump A telescopic dual movement pump has a nozzle assembly, a central tube connected to the nozzle assembly, a first tube enclosing the central tube and slidable relative to the central tube and a second tube enclosing the first tube and slidable to the first tube. The c... | 04/06/2004 |
| 6682315 | Axial piston pump barrel with a cast high pressure collection cavity In an axial piston pump, a plurality of reciprocating pistons are at least partially positioned within a barrel. The barrel includes a ring shaped high pressure collection cavity that is positioned between the piston chambers and the outlet of the pump. I... | 01/27/2004 |
