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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 8366408 | Externally assisted valve for a positive displacement pump A positive displacement pump having a valve with an actuation guide for assisting its actuation. The valve may be configured for controlling fluid communication relative to a chamber of the pump with the valve actuation guide positioned external to the chamber and c... | 02/05/2013 |
| 8360745 | 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 extending between each air chamber and each pump chamber, respectively. The ... | 01/29/2013 |
| 8303264 | Device for adjusting the flow rate of a mobile oil-injected screw-type compressor A device for adjusting the flow rate of a screw- type compressor supplying compressed gas, having a control valve to supply a control pressure (Pn) which is in proportion to the gas pressure (Pw) as of a gas pressure (A); an electronic speed controller which sets a ... | 11/06/2012 |
| 8157538 | Capacity modulation system for compressor and method An apparatus is provided and may include a compression mechanism, a valve plate associated with the compression mechanism and having at least one port in fluid communication with the compression mechanism, and a manifold disposed adjacent to the valve plate. A cylin... | 04/17/2012 |
| 7819637 | Solenoid valve, flow-metering valve, high-pressure fuel pump and fuel injection pump A flow-metering valve for metering a flow of liquid has a valve member, a stopper and an electromagnetic driving member. The valve member is reciprocally displaceably arranged between a first position and a second position in the liquid chamber. The stopper is arran... | 10/26/2010 |
| 7811067 | 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 extending between each air chamber and each pump chamber, respectively. The ... | 10/12/2010 |
| 7575419 | Fuel pump for an internal combustion engine A fuel pump for an internal-combustion engine; the fuel pump is provided with: a variable-volume chamber for containing fuel; an intake valve connected to the variable-volume chamber; a delivery valve connected to the variable-volume chamber; and a pumping device fo... | 08/18/2009 |
| RE40830 | Compressor capacity modulation A pulsed modulated capacity modulation system for refrigeration, air conditioning or other types of compressors is disclosed in which suitable valving is provided which operates to cyclically block flow of suction gas to a compressor. A control system is provided wh... | 07/07/2009 |
| RE40499 | Pulsed flow for capacity control Step control in capacity modulation of a refrigeration or air conditioning circuit is achieved by rapidly cycling a solenoid valve in the suction line, economizer circuit or in a bypass with the percent of “open” time for the valve regulating the rate of flow th... | 09/16/2008 |
| 7354190 | Two-stage mixing system, apparatus, and method A two-stage mixing system, apparatus, and method produces a solution including a first substance and a second substance in a predetermined ratio by first mixing the first substance with a first liquid to produce a first solution and then mixing the first solution wi... | 04/08/2008 |
| 7331767 | Method of stepless capacity control of a reciprocating piston compressor and piston compressor with such control For stepless capacity control of a reciprocating piston compressor, an unloader (2) arranged on a suction valve (1) keeps open said suction valve (1) over a thereby controllable portion of the working cycle of the compressor by means of an unloa... | 02/19/2008 |
| 7290990 | Short reverse rotation of compressor at startup In a method of operating a scroll or screw compressor at startup, the compressor is rotated in reverse for a brief period of time. The compressor is of a type that does not compress liquid when rotated in reverse. The purpose is to boil off the liquid refrigerant fr... | 11/06/2007 |
| 7287423 | Method and device for control of the capacity of a compressor A method and device for evaluating the capacity of a compressor (1) by air being allowed to flow out from a pressure tank (3) through an opening of known geometry. Following a calculation, the quantity of evacuated air is obtained. After this, a compre... | 10/30/2007 |
| 7232291 | Variable capacity rotary compressor A variable capacity rotary compressor to reduce an electric power loss thereof and includes a drive unit to generate a rotating force, a rotating shaft connected to the drive unit to rotate thereby, and a compressing cylinder through which the rotating shaft passes.... | 06/19/2007 |
| 7214210 | Cassette and method for drug preparation and delivery A disposable cassette for mixing an intravenous drug in a vial to a patient includes a liquid inlet for connection to a liquid supply, a first vial spike, a second vial spike and a chamber. The chamber, the first and second vial spikes, and the liquid inlet are in f... | 05/08/2007 |
| 7179060 | Variable discharge pump with two pumping plungers and shared shuttle member The present invention relates generally to variable discharge pumps, and specifically pumps used in fuel injection systems. Typically, such pumps include a dedicated spill control valve for each pumping plunger, that also doubles as an avenue for refilling the pumpi... | 02/20/2007 |
| 7165950 | Two-stage pressure relief valve A two-stage pressure relief valve for use with hydraulic systems is disclosed. The two-stage pressure relief valve has a first stage that relieves increases in hydraulic system pressure over the normal operating pressure and up to a selected threshold pressure level... | 01/23/2007 |
| 7089783 | Trouble shooting accelerator system for implantable drug delivery pumps An implantable pump and methods for detecting leaks in an implantable pump are provided. In one embodiment, the implantable drug pump includes a housing having at least one inlet port and an outlet port formed therein. The outlet port is adapted to communicate with ... | 08/15/2006 |
| 7086841 | Air compressor with inlet control mechanism and automatic inlet control mechanism An automatic inlet control mechanism and air compressor unit include a valve cavity and valve outlet. The valve cavity includes a valve control chamber and valve inlet chamber. A valve piston assembly is positioned between the valve control chamber and the valve inl... | 08/08/2006 |
| 7048801 | Chemical pump and method of discharging chemical solution A chemical pump includes a pressure chamber, a partition member for dividing the pressure chamber into a cleaning pressure chamber and a discharging pressure chamber, a filter part disposed on the primary side of the discharging pressure chamber, and a single drive ... | 05/23/2006 |
| 7025044 | Pump assembly and method A pump assembly includes a high-pressure pump that flows pressurized working fluid in a fuel injection system of a diesel engine. The assembly includes a pilot-operated inlet throttle valve that receives a flow of low-pressure fluid from a feed pump and controls the... | 04/11/2006 |
| 6984113 | Oil pressure operated pump for marine steering gears with a valve set shell with valves separately capable of assembly with the valve housing An oil pressure operated pump for marine steering gears includes a multiple piston oil pressure operated pump controlled by a steering wheel, a valve housing mounted under the pump, a bottom cover closing the valve, the valve housing and the cover each including cha... | 01/10/2006 |
| 6964558 | Compressor utilizing low volt power tapped from high volt power Low voltage electrical power is supplied to a diagnostic control device in a sealed compressor. Electrical power is tapped from a high voltage power line and transformed to low voltage power that in turn operates the diagnostic control device. The diagnostic control... | 11/15/2005 |
| 6935853 | Variable capacity rotary compressor A variable capacity rotary compressor, which is designed to make an internal pressure of a compression chamber, where an idle rotation is executed, be equal to an outlet side pressure of the rotary compressor, thus minimizing a rotating resistance. The compressor in... | 08/30/2005 |
| 6907770 | Test device for filter systems A test device (10) for filter systems, including a pneumatic unit (12), a control unit (14) for controlling the pneumatic unit (12), and a data processing unit (16), in which the pneumatic unit (12) is separated from the dat... | 06/21/2005 |
| 6887046 | Coolant pump, mainly for automotive use An impeller pump with thermostatically adjustable guide vanes is suitable for use as an automotive coolant pump. The pump is driven by a constant speed electric motor, and flow variation is controlled by varying the orientation of the vanes. Orientation of the vanes... | 05/03/2005 |
| 6866490 | Water-injected screw compressor The invention relates to a water-injected screw compressor which comprises a compressor element (1) with an interior space (3), a suction conduit (7) which connects to an inlet part (6), situated at the top of this interior space (3 | 03/15/2005 |
| 6811384 | Automatic regulator of intake air in a tank An automatic regulator of the air intake in a tank installed in a circuit for the production of compressed air wherein the regulator provides that the intake orifice (7) which aspires external air is operated in opening/closing by means of a disk shutter. The... | 11/02/2004 |
| 6796773 | Variable capacity rotary compressor A variable capacity rotary compressor, which precisely controls variation of a compression capability into a desired discharge pressure, and which minimizes a resistance to rotation of a rotating shaft, and thus improves the capacity of the rotary compressor. The ro... | 09/28/2004 |
| 6796778 | Fuel injection pump having throttled fuel path for fuel lubrication In a fuel path through which fuel is supplied to a pump-cam chamber accommodating a drive shaft and a cam for lubrication, an annular throttle fuel path is formed between an inside wall of a cylindrical body and an outside wall of a sphere, when the sphere is in con... | 09/28/2004 |
| 6764283 | Internal gear wheel pump An internal gear pump for pumping fuel from a suction conduit (18) into a pressure conduit (19) has a pump housing (1) in which an internal ring gear (5) and an externally toothed pinion (3), the latter driven by a drive shaft (... | 07/20/2004 |
| 6755625 | Inlet throttle valve An inlet throttle valve for supplying liquid to a high-pressure pump has a fully open start position and an operating range where flow through the valve is determined by a pressure balance of a valving member independent of the pressure of oil supplied to the inlet ... | 06/29/2004 |
| 6715998 | Intake regulator for compressed air in a reservoir The intake regulator of air (1) in a reservoir to be installed in a circuit for the production of compressed air, intercepts the air from the exterior and conveys the air to an oil bath spin compressor (2). The regulator is characterized by the fact th... | 04/06/2004 |
| 6663350 | Self generating lift cryogenic pump for mobile LNG fuel supply system A high pressure pump and delivery system mating to LNG storage and suited for natural gas powered trucks and buses, but also suitable for other cryogenic liquid fuels. The reciprocating pump is comprised of a liquid pumping portion and a vapor compressing... | 12/16/2003 |
| 6575710 | Compressor with blocked suction capacity modulation A capacity control system has a valve which closes off the inlet to one or more of the cylinders in a multicylinder compressor. The valve is motivated by fluid at discharge pressure which reacts against a piston to close the inlet. An orifice is positione... | 06/10/2003 |
| 6558136 | Micropump underpressure control device A micropump underpressure control device, working in conjunction with a micropump having an inlet and an outlet. The micropump underpressure control device comprises a control valve and a transmission tube. The control valve is installed at a supply pipe ... | 05/06/2003 |
| 6520751 | Variable displacement compressor having a noise reducing valve assembly In a variable displacement compressor of a piston type, a valve body (34) is movably placed adjacent to a main channel (32) communicating a suction port (26) with a suction chamber (24). The valve body is for variably controlling an opening area of the ma... | 02/18/2003 |
| 6517325 | Air compressor and method of operating the same An air compressor comprises a compressor main body, and a capacity adjusting apparatus connected to an intake side of the compressor main body for adjusting the intake air flow into the compressor main body. The capacity adjusting apparatus is provided in... | 02/11/2003 |
| 6481977 | Swashplate type variable-displacement compressor A swashplate type variable-displacement compressor includes a compressor housing defining therein a crank chamber, a refrigerant suction chamber, a refrigerant discharge chamber, and a low-pressure refrigerant passage connected to an evaporator outlet, an... | 11/19/2002 |
| 6439863 | Fuel pump with vapor lock inhibiting check valve A fuel pump designed to prevent vapor lock. The pump comprises an inlet check valve located between a pumping chamber and a reservoir. The inlet check valve allows the flow of fluid from the reservoir into the pumping chamber. The inlet check valve is con... | 08/27/2002 |
