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| Number | Title | Issue Date |
| 7313965 | High-temperature pressure sensor A high-temperature pressure sensor that includes a dielectric layer. The pressure sensor also includes a substrate capable of withstanding temperatures greater than 450° C. without entering a phase change, at least one semiconducting material deposited on the sapph... | 01/01/2008 |
| 7310955 | System and method for delivering cryogenic fluid According to an embodiment of the present invention, a cryogenic fluid delivery system includes a vessel containing a cryogenic fluid at a first pressure and a first temperature, a first heat exchanger coupled to the vessel for receiving the cryogenic fluid and cool... | 12/25/2007 |
| 7309216 | Pump control and management system A pump control and management system for monitoring and controlling sump pumps as well as providing supplemental controls and alarms. The pump control and management system includes a sump pump, a level sensing assembly, a control assembly, and at least one local se... | 12/18/2007 |
| 7300258 | Electromagnetic pump An electromagnetic pump has a supply section and a magnetic force pumping section wherein flow of a electrically conductive material through the supply section is opposite to the flow of the material in the magnetic force pumping section in some examples. Multiple c... | 11/27/2007 |
| 7300257 | Prevention of unpowered reverse rotation in compressors The shutdown of a compressor (10) installed in a refrigerant circuit (2) in air conditioning or refrigeration system is controlled so as to prevent unpowered reverse rotation of the compressor. Prior to terminating electric power to the compressor driv... | 11/27/2007 |
| 7293423 | Method and apparatus for controlling freezing nucleation and propagation An apparatus and method of controlling freezing in a liquid system is disclosed. The apparatus includes a heat exchanger having a initial zone characterized by a surface area to volume ratio. The apparatus also includes means for initiating freezing of a fluid from ... | 11/13/2007 |
| 7291565 | Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid A method and system is described for treating a substrate with a high pressure fluid, such as carbon dioxide in a supercritical state. A process chemistry is introduced to the high pressure fluid for treating the substrate surface. The process chemistry comprises fl... | 11/06/2007 |
| 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 |
| 7287966 | Fuel injector driver circuit with energy storage apparatus A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied by a reciprocating circuit during operation. A permanent magnet structure of the drive sec... | 10/30/2007 |
| 7287842 | Pressurizing pump device, liquid ejection apparatus and method of controlling pressurizing pump In a printing apparatus of an off-carriage type, when a pump motor is rotated regularly for delivering pressurizing air to an ink cartridge, rotation thereof is converted into a linear reciprocating movement of a pressing member by a cam mechanism and a pressurizing... | 10/30/2007 |
| 7288279 | Formulated fried egg product The present invention relates to the formulation and process for preparation of a fried egg product which may be frozen for future heating within a microwave or other oven for consumption by an individual. Various ingredients are added and mixed to each of the liqui... | 10/30/2007 |
| 7287536 | Heater for heating the dishwashing liquid in a dishwasher In a dishwasher having a dishwashing compartment and a pump fluidically connected to the dishwashing compartment for channeling liquid to the dishwashing compartment, the pump disposed outside the dishwashing compartment and including a pump housing defining an inte... | 10/30/2007 |
| 7285931 | Brushless motor commutation and control A commutation apparatus drives a brushless motor having a stator equipped with a plurality of coils and a rotor. The commutation apparatus comprises a rotatable commutator shaft, two or more conducting rings carried discretely about the shaft, and two or more conduc... | 10/23/2007 |
| 7284962 | Micropump This invention provides a fluid pump using perforate elements and closure elements which are alternately displace and relates particularly but not exclusively to miniature fluid pumps and pumps suitable for delivery of liquid pharmaceutical formulations. In the art ... | 10/23/2007 |
| 7284961 | Pumping system, replacement kit including piston and/or cylinder, and method for pumping system maintenance A pumping system including a pump is disclosed. The pump includes a replacement piston and a replacement cylinder associated with the replacement piston. The replacement piston has a cross sectional area smaller than a cross sectional area of an original piston of t... | 10/23/2007 |
| 7284963 | Zero maintenance pump A zero maintenance pump includes a motor having a motor housing and a motor drive shaft rotatably mounted in the motor housing. A shaft extension is coupled to the motor drive shaft distal from the motor housing. A coupling element has a body with a first end and a ... | 10/23/2007 |
| 7284956 | Methods and apparatus for controlling a continuous flow rotary blood pump A control system for a continuous flow rotary blood pump is provided. A normal operating range of the blood pump is established. The normal operating range may comprise a normal pump flow range and a normal pressure head range. A target rotational speed of the pump ... | 10/23/2007 |
| 7278818 | Turbomachine for low temperature applications A turbomachine for low-temperature applications has a housing, a rotor shaft disposed in the housing, an impeller disposed on one shaft end of the rotor shaft, to which a cold gas is applied, and an electrical machine integrated into the housing. During operation of... | 10/09/2007 |
| 7278549 | Remedies to prevent cracking in a liquid system A liquid cooling system utilizing minimal size and volume enclosures, air pockets, compressible objects, and flexible objects is provided to protect against expansion of water-based solutions when frozen. In such a system, pipes, pumps, and heat exchangers are desig... | 10/09/2007 |
| 7275916 | Integrated engine/compressor control for gas transmission compressors A method and system for controlling an engine that drives a reciprocating compressor, such as the large compressors used for natural gas transmission. A controller receives data from the compressor representing operation conditions, such as load step, suction pressu... | 10/02/2007 |
| 7275917 | Safety device for hydraulic pump A safety device (12) is disclosed for use in a hydraulic pump system (10). The device includes a generator (20) mounted between the power take off (14) and the hydraulic pump (24). Any time the hydraulic pump (24) is operate... | 10/02/2007 |
| 7273355 | Compressor assembly with piston having multiple cross sections A compressor assembly having a piston with multiple cross sections. The compressor assembly, in one form thereof, includes a cylinder block defining a cavity. A piston is at least partially disposed in the cavity and reciprocates along a central axis of the cavity. ... | 09/25/2007 |
| 7271563 | Apparatus for controlling operation of reciprocating compressor, and method therefor The present invention discloses an apparatus for controlling an operation of a reciprocating compressor and a method therefor which can reduce errors in an operation of a stroke estimated value of the reciprocating compressor, by previously preventing over-saturatio... | 09/18/2007 |
| 7267532 | Offset-drive magnetically driven gear-pump heads and gear pumps comprising same Magnetically driven gear-pump heads and pumps are disclosed. An exemplary gear-pump head includes a housing, a magnet cup, a pump driving gear, and a pump driven gear. The housing has a pump axis and defines a pump cavity. The magnet cup extends along the pump axis ... | 09/11/2007 |
| 7268443 | Wind turbine generator system A wind turbine generator system can regulate the rotational velocity of the wind turbine within an operation range even when the wind velocity suddenly changes and can perform continuous operation of the wind turbine. The wind turbine generator system includes a gen... | 09/11/2007 |
| 7267533 | Plunger assembly for use in reciprocating fluid pump employing reversing polarity motor A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flu... | 09/11/2007 |
| 7267531 | Current monitoring system and method for metering peristaltic pump A pump system includes a peristaltic pump having a rotor, a motor and a controller. The motor is configured to drive the peristaltic pump so as to deliver a liquid product from a source to a receiving location. The controller monitors a drive current of the motor so... | 09/11/2007 |
| 7264450 | Pump unit and method for operating a pump unit The method is provided for operating a pump unit with a centrifugal pump which is driven by an electric motor and which comprises a rotor running in a split tube. The rotor space is separated with respect to the stator in a fluid-tight manner. On running the motor t... | 09/04/2007 |
| 7259533 | Method of controlling motor drive speed Disclosed is a method of controlling drive speed of a motor operating in overload conditions. The method includes the steps of: driving the motor at a predetermined reference speed; detecting phase voltage and phase current applied to the motor; determining whether ... | 08/21/2007 |
| 7255683 | System for detecting the status of a vent associated with a fluid supply upstream of an infusion pump A system and method for determining whether the pressure in a fluid line upstream of an infusion pump is becoming lower as pumping draws fluid from the fluid line and fluid container due to a lack of proper venting. An initial pressure is sensed by an upstream press... | 08/14/2007 |
| 7255772 | High pressure processing chamber for semiconductor substrate A high pressure chamber comprises a chamber housing, a platen, and a mechanical drive mechanism. The chamber housing comprises a first sealing surface. The platen comprises a region for holding the semiconductor substrate and a second sealing surface. The mechanical... | 08/14/2007 |
| 7252483 | Method of managing time, at which maintenance in a gas compressor multiple system should be carried out The method of managing time M, at which maintenance of a gas compressor multiple system incorporating therein a plurality of gas compressors should be carried out, involves making a comparison between a value of M and a predetermined time N for necessary maintenance... | 08/07/2007 |
| 7249459 | Fluid machine for converting heat energy into mechanical rotational force A fluid machine according to the present invention has an expansion device for collecting waste heat from an internal combustion engine and converting the collected heat energy into mechanical rotational force, an electric rotating device selectively operating as an... | 07/31/2007 |
| 7250374 | System and method for processing a substrate using supercritical carbon dioxide processing A method and system for processing a substrate in a film removal system. The method includes providing the substrate in a substrate chamber of a film removal system, where the substrate has a micro-feature containing a dielectric film on a sidewall of the micro-feat... | 07/31/2007 |
| 7249936 | Dual capacity compressor A dual capacity compressor, which can maintain a fixed eccentricity and stable operation, even when the compressor is rotated in both the regular and reverse directions in order to provide multiple compression capacities, is provided. This dual capacity compressor i... | 07/31/2007 |
| 7247006 | Method and apparatus for sealing an ultrahigh-pressure fluid system An ultrahigh-pressure fluid system, such as an ultrahigh-pressure fluid pump, includes an improved dynamic seal assembly that can withstand pressures above 40,000 psi, and more preferably, pressures up to and beyond 87,000 psi. The dynamic sealing assembly includes ... | 07/24/2007 |
| 7245975 | Skew compensation A system and method for generating master and slave reference signals is disclosed, wherein at least one axis of the plurality of axes is a master section and at least one axis of the plurality of axes is a slave section, said slave section being a slave of said mas... | 07/17/2007 |
| 7241115 | Methods and apparatus for determining the presence or absence of a fluid leak Embodiments of the present invention feature a method and apparatus for detecting defects, such as, leaks, component failure and adverse performance. One embodiment of the present apparatus for pumping fluid comprises a pumping chamber having an inlet and an outlet ... | 07/10/2007 |
| 7241469 | Formulation and process to prepare a pre-formed filing unit The present process relates to a formulation for a food product and preparation of a pre-formed filling unit for the provision of a consumable food product containing eggs, which may be refrigerated and/or frozen for future heating within a microwave oven for consum... | 07/10/2007 |
| 7234922 | Pump pressure limiting engine speed control and related engine and sprinkler system A sprinkler system for building includes an internal combustion engine which operates a water pump. The water pump in turn forces water through pipes to sprinkler heads. The engine is at least in part controlled by a throttle control mechanism which is responsive to... | 06/26/2007 |
