Bizarre Patents
Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8007256 | Electromagnetic reciprocating fluid device An electromagnetic reciprocating fluid device in which a movable member is equipped with permanent magnets, resists a torque rotating the movable member about an axis thereof in the reciprocating direction. The electromagnetic reciprocating fluid device has a pair o... | 08/30/2011 |
| 7621723 | Electromagnetic pump A pump apparatus that produces a pumping action for a gas or a liquid is produced in an extremely small and slim form and can be favorably used as a cooling pump apparatus for an electronic appliance or the like. There is provided an electromagnetic pump wher... | 11/24/2009 |
| 7621724 | Stator for solenoid pumps The stator for an electromagnetic pump is designed to improve output efficiency of the pump by decreasing leakage flux. An air-core electromagnetic coil (50a, 50b) is fitted around periphery of a cylinder, and axial end faces of an electr... | 11/24/2009 |
| 7419367 | Magnetically actuated pump A pump for pumping one or more media comprises a housing (1) having an actuator chamber (2) and at least one pump chamber (4). The pump chamber (4) is provided with an inlet port and an outlet port. The pump chamber (4) is delimite... | 09/02/2008 |
| 7351235 | Snivel removing device A snivel removing device includes a housing having a partition to form two chambers and an outlet port and an inlet port communicating with the chambers. One or more bladders are attached to the housing, and communicating with the chambers, and compressible and expa... | 04/01/2008 |
| 7314081 | Pumping from two levels of a pool of production fluid, and one way valve therefore A method of pumping upper production fluid from an upper level of an underground pool of production fluid and pumping lower production fluid having a higher concentration of sand from a lower level during a single pump cycle comprises providing a dual action recipro... | 01/01/2008 |
| 7288863 | Electric appliances having electric motors for driving oscillatory elements an electric appliance includes an electric motor having a first oscillatory element, a second oscillatory element and an electric coil configured to generate a magnetic field to drive the first and second oscillatory elements. The electric appliance also includes a ... | 10/30/2007 |
| 7284965 | Compact vacuum pump A vacuum pump capable of pumping solid, liquid and gas, or any combination thereof, including a drive (40) and a manually disengageable pumping system connected thereto. The pumping system is composed of a two- or three-chambered canister (1, 18, 21) w... | 10/23/2007 |
| 7213683 | Piston lubricating system for a reciprocating compressor with a linear motor The present invention provides a piston lubrication system for a reciprocating compressor with a linear motor. The piston lubrication system includes an oil sump defined within a hermetic shell, and a cylinder affixed within the hermetic shell. A radial gap is defin... | 05/08/2007 |
| 7184254 | Apparatus and method for controlling the maximum stroke for linear compressors An apparatus and method for controlling the maximum stroke of a linear compressor is provided. The shorting of the normal supply voltage of a compressor to ground is used to detect overstroking. A plurality of transistors are electrically coupled to the control circ... | 02/27/2007 |
| 7163187 | Non-sliding valve A solenoid valve moves an armature back and forth between valve open and valve closed positions without the armature having any sliding engagement with any fixed valve part. This is accomplished by supporting the armature with a spring having one periphery engaging ... | 01/16/2007 |
| 7159843 | Non-sliding valve A solenoid valve moves an armature back and forth translationally between valve open and valve closed positions without the armature having any sliding engagement with any fixed valve part. This is accomplished by supporting the armature with a spring having one per... | 01/09/2007 |
| 7156626 | Double side action type reciprocating compressor A double side action type reciprocating compressor is provided. The double side action type reciprocating compressor includes suction valve assemblies and discharge valve assemblies loaded in a suction passage and a discharge passage to thus control suction of fluid... | 01/02/2007 |
| 7150741 | Programmable dose control module The invention is directed to a dose control module for manipulating the dosage of one or more pharmaceutical solutions emanating from an implantable drug infusion pump. The dose control module has a processor and other circuitry for manipulating flow valves and othe... | 12/19/2006 |
| 7134851 | Reciprocating pump having a ceramic piston Various embodiments of the invention, therefore, provide pumps, and methods for their production. One exemplary embodiment of the invention comprises a ceramic plunger pump assembly. The pump assembly can include a pump body, which defines a pump chamber with an inl... | 11/14/2006 |
| 7093778 | Device for delivering and/or spraying flowable media, especially fluids The invention concerns a device to convey and/or spray free-flowing media, in particular fluids, which works in accordance with the energy storage principle and is designed as an electromagnetically-powered reciprocating pump with at least one armature device as a d... | 08/22/2006 |
| 7080792 | Liquid pressurizing device A liquid pressuring device comprises a reciprocating pump (1), pressure sensor (23) and pressure control unit (25) which is adapted to control the motion of the plungers (5A, 5B) so as to make an actual delivery pressure value reac... | 07/25/2006 |
| 7056105 | Unit utilizing current to control reciprocation for pushing fluids A unit utilizing current to control reciprocation for pushing fluids, including a chamber, a magnet, a coil connected with a circuit, a first inlet, a first outlet, a second inlet, a second outlet, a first valve and a second valve. The magnet is slidably disposed in... | 06/06/2006 |
| 7040873 | Multi pumping chamber magnetostrictive pump A positive displacement pump includes a magnetostrictive actuator. A single actuator drives multiple pumping chambers. The pump may include two pumping chambers driven in phase by the linear expansion of the actuator at both its ends. The pump may include a third pu... | 05/09/2006 |
| 7025571 | Apparatus and method for controlling a reciprocating compressor Disclosed is an apparatus and method for controlling a reciprocating compressor capable of inexpensively and exactly controlling a position of a piston in a cylinder, by which a top clearance is minimized according to the information of a phase difference between a ... | 04/11/2006 |
| 7001158 | Digital fluid pump Digital fluid pumps having first and second electromagnetic actuators formed in part by a piston to alternately drive the piston in opposite directions for pumping purposes. The piston motion is intentionally limited so that the electromagnetic actuators may operate... | 02/21/2006 |
| 6999840 | Vacuum pump A vacuum pump (10) includes a control device (20) for processing operational data and operational instructions. Further, the vacuum pump (10) includes a touch screen (40) serving as display for displaying the operational data callable fro... | 02/14/2006 |
| 6966325 | Method for manipulating dosage control apparatus The invention is directed to a method and circuitry for controlling dosage rates of a treatment solution. An electric pulse is directed through a coil, inducing a magnetic field and causing a valve to open. A subsequent set of pulses is directed through the coil to ... | 11/22/2005 |
| 6966761 | Linear compressor with aerostatic gas bearing passage between cylinder and cylinder liner A linear abstract includes a cylinder part and a piston part. A spring connects the cylinder part and the piston part and operates in the direction of reciprocation of the piston part relative to the cylinder part. The piston part includes a radially compliant but a... | 11/22/2005 |
| 6957655 | Apparatus for dosage control The invention is directed to a dose control apparatus for manipulating the dosage of one or more pharmaceutical solutions emanating from an implantable drug infusion pump. The dose control apparatus has a movable core that is held in a desired position by a magnet. ... | 10/25/2005 |
| 6931983 | Device for circulating sealing gas for mechanical dry seals of a centrifugal compressor at times when the machine is stationary and pressurized A device (10) for circulating sealing gas for mechanical dry seals (11) of a centrifugal compressor (13) at times when the machine is stationary and pressurized; the device comprises a sealed reciprocating compressor (12), which includes ... | 08/23/2005 |
| 6851938 | Magnetic pumping system A magnetic pumping system includes a pump, capable of urging a fluid therefrom during a forward stroke and a return stroke, having a piston disposed within a cylinder defined by a pump body, and a driver disposed external to the pump body. The driver is capable of m... | 02/08/2005 |
| 6817409 | Double-acting reciprocating downhole pump A positive displacement pump for pumping fluids from a downhole formation to the earth's surface is provided. The pump first comprises a plunger. The plunger is reciprocated axially within the wellbore by a linear actuator, such as a submersible electrical pump, in ... | 11/16/2004 |
| 6813885 | Electrohydraulic setting device An actuating device (1) for carrying out mechanical work by means of a slave piston rod (5) in a hydraulically-operated slave cylinder (2), where the actuating device (1) is made up of a hydraulic pump (3) integrated with a slave c... | 11/09/2004 |
| 6773240 | Single piston dual chamber fuel pump A fuel pump for an automotive vehicle includes a housing having an opening extending therethrough, and a piston slidably supported within the opening. A pair of end caps are mounted to the housing, thereby encasing the piston within the opening. First and second pum... | 08/10/2004 |
| 6736614 | Rotary piston drive mechanism A reciprocating piston drive mechanism, especially for a reciprocating piston vacuum pump, includes a cylinder (3) embodied in a housing (12). A piston (4) is moved back and forth in the cylinder by an electromagnetic drive that has an electroma... | 05/18/2004 |
| 6663361 | Subsea chemical injection pump A chemical injection pump for injecting chemicals into subsea system at depths up to 10,000 feet is described which uses a minimum of moving parts by employing an actuator, for instance a solenoid, to power a double acting actuator rod and plungers thereo... | 12/16/2003 |
| 6644943 | Reciprocating compressor with a linear motor A reciporcating compressor with a linear motor, comprising a pair of pistons (4) provided inside a cylinder (3) and axially aligned to each other, at least one of said pistons (4) being provided with a discharge valve (10) for controlling the discharge of... | 11/11/2003 |
| 6626650 | Cyclically operated fluid displacement machine A displacement machine (10) comprises a housing (11), a reciprocating member (12) reciprocable linearly along an axis of reciprocation (13) in the housing (11) and defining with the housing (11) first (14) and second (15) variable volume chambers. A fluid... | 09/30/2003 |
| 6554588 | Composite piston for a vibration pump A composite piston (30) for a vibration pump comprises a core (32), activating a piston, and a piston (34) made of plastic and obtained by means of molding on an insert formed by the core (32). The composite piston (30) thus obtained achieves objects of h... | 04/29/2003 |
| 6461119 | Lift valve for a rotary screw compressor The present invention relates to a variable capacity helical screw compressor for compressing a gaseous medium, usually air. The compressor includes at least one lift valve (1) which connects with a first compression chamber in the compressor. The lift va... | 10/08/2002 |
| 6422836 | Bi-directionally driven reciprocating fluid pump A reciprocating fluid pump includes a drive section and a pump section. The drive section has a pair of coils which may be energized to cause displacement of a reciprocating assembly. Each coil is a reluctance gap arrangement in which a magnetic circuit i... | 07/23/2002 |
| 6295662 | Porous solenoid structure A spa water delivery system comprising a reciprocating pumping structure to pump water for reception in a spa zone; and driver structure, including a solenoid body element and a solenoid plunger element, the elements being relatively movable; at least one... | 10/02/2001 |
| 6290308 | Pump assembly for use in a brake system of a vehicle The invention relates to a pump assembly for pumping brake fluid into a hydraulic slip-controlled vehicle brake system. To achieve a simple, compact construction of the pump assembly, the invention proposes embodying the pump assembly with an electromagne... | 09/18/2001 |
| 6129527 | Electrically operated linear motor with integrated flexure spring and circuit for use in reciprocating compressor A reciprocating compressor includes an electric motor having fixed and moveable components within a housing for reciprocating a moveable assembly, to compress a working fluid within a variable volume compression chamber within the housing. An integrated f... | 10/10/2000 |
