Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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 |
| 7069976 | Method and arrangement for controlling the temperature of the outstream flow from a heat exchanger and measuring produced heat Process and device for controlling the temperature of an outbound secondary flow in a secondary circuit from a heat exchanger by a primary flow in a primary circuit, via a member that regulates the primary flow, influenced by a control unit. The enthalpy difference ... | 07/04/2006 |
| 6994784 | Liquid filter/heat exchanger unit A liquid filter/heat exchanger unit including a liquid filter and a heat exchanger, the liquid filter having a filter element in a filter housing. To bypass the heat exchanger, there is a bypass connecting the heat exchanger inlet directly to the unfiltered side of ... | 02/07/2006 |
| 6973958 | Heat transfer apparatus having anti-oxidization device A heat transfer apparatus includes one heat exchanging system having a compressor coupled between a condenser and a heat exchanger. A further heat exchanging system includes a water pump, an ion exchange filter coupled between the water pump and the heat exchanger, ... | 12/13/2005 |
| 6905792 | Cooling system and cooling process of fuel cell The present invention provides a cooling system of fuel cell, which solves the gas biting noise problem by trapping bubble in a coolant, gives protection to a stack (MEA) and the membrane of a humidifier by regulating the coolant pressure of fuel cell and improves t... | 06/14/2005 |
| 6732791 | Hydraulic oil cooler and supplying vessel pressure stabilizer A fluid delivery system, for e.g. a vehicle, includes a tank for holding fluid product, such as propane, a pump for pumping the fluid product from the tank, the pump being driven by hydraulic fluid, and a heat exchanger for using the fluid product to cool the hydrau... | 05/11/2004 |
| 6581677 | Inflatable mannequin and system for thermal property measurement and associated methods A system for measuring a thermal property of a garment includes a mannequin having a form similar to at least a portion of a mammalian body and adapted to wear the garment. Fluid is circulatable through at least a portion of the mannequin. An outer surfac... | 06/24/2003 |
| 6391121 | Method of cleaning a heater A method of cleaning tubing in an operating heater, in which the tubing has an inlet and an outlet. While the heater is in operation, a pig is run through the tubing from the inlet to the outlet and then returned to the inlet along return tubing, in paral... | 05/21/2002 |
| 6109337 | Apparatus for controlling temperature Apparatus for controlling temperature within a housing (200) comprises a thermal storage device (102) for maintaining a controlled temperature within the housing, and a thermal transfer arrangement (104) for selectively transferring heat between the therm... | 08/29/2000 |
| 5744696 | Thermal isolation system in a chromatograph Sample analysis in a portable analytical instrument, preferably in the form of a gas chromatograph, benefits from temperature control of one or more thermal zones in the instrument by way of a thermal isolation system that includes a novel pumping assembl... | 04/28/1998 |
| 5579830 | Passive cooling of enclosures using heat pipes A cooling system for passively cooling an enclosure incorporating at least one inclined heat pipe having an evaporator side extending within the enclosure and a condenser side extending outside the enclosure in contact with the ambient environment. A ther... | 12/03/1996 |
| 5363905 | Method of controlling heat exchangers using enthalpy flow as the correcting variable A method of controlling a heat exchanger wherein the enthalpy flow into the heat exchanger serves as a correcting variable. The robust and versatile control method is particularly suitable for use in endothermic reactions and for distillation.... | 11/15/1994 |
| 5358030 | Method for managing retort over-pressure during pressure cooling The invention provides a method and apparatus for managing retort over-pressure during pressure cooling. The invention allows the specification of an initial cooling temperature and a final cooling temperature and a final cooling pressure. Using these val... | 10/25/1994 |
| 5190095 | Condenser for refrigerator and method of operating the same A condenser for a refrigerator and a method of operating the condenser, in which heat exchanger tubes for cooling the condenser each have brush receivers and cooling water inlet/outlet ports at both ends thereof, one of the brush receivers accommodating a... | 03/02/1993 |
| 5167273 | Aspirator tube check valve assembly and method of continuously sensing vehicular interior compartment air temperature An interior air temperature sensing system is provided for use with a vehicle interior compartment air temperature regulating system including an ambient air inlet duct, a blower housing connected to an air inlet duct and an air temperature modifier and a... | 12/01/1992 |
| 5098036 | Flameless deicer A single nonfired heat source, such as a diesel engine, drives a hydraulic pump. The hydraulic pump in turn is coupled in a hydraulic circuit with a back-pressure valve which loads the hydraulic pump and hence the diesel engine. The engine also circulates... | 03/24/1992 |
| 5085267 | Compensating for water pressure variations in a tempered air system for vehicle passenger compartments An automatic control system for regulating the temperature of blower air discharged over a heater core to a vehicle passenger compartment. A thermistor is disposed to sense discharge air adjacent the heater core and provide a temperature signal. An electr... | 02/04/1992 |
| 5037955 | Method for heating a viscous polyethylene solution The invention disclosed herein is a single-pass, horizontal heat exchanger, of the shell and tube type, which is designed for preheating of a viscous material, such as the reactor effluent of a polyethylene solution. The heat exchanger is made in three se... | 08/06/1991 |
| 4898146 | Heating appliance A heating appliance has a burner of the type having full premixing and forced draught and a mixing chamber to which an air supply line and a fuel supply are connected. The mixing chamber has a burner plate which is provided with apertures and which adjoin... | 02/06/1990 |
| 4817864 | Temperature compensation for vav system A temperature compensation control system for stabilizing the temperature within a space as the amount of air being supplied to the space undergoes sudden changes, the space being supplied with supply air through a supply duct, the supply duct having a te... | 04/04/1989 |
| 4712384 | Integrated evaporator and thermal expansion valve assembly An integrated evaporator and thermal expansion valve assembly for use in a refrigeration system. An evaporator includes a housing defining an inlet header and an outlet header. A valve is mounted on the housing in communication with the inlet header for c... | 12/15/1987 |
| 4702306 | Apparatus for controlling a process variable of a flowing medium The plant has a controlled section through which water flows, for example, for cooling or heating purposes. The operation of the controlled section is controlled by obtaining temperature measurements of the flow via a pair of temperature sensors and emitt... | 10/27/1987 |
| 4583582 | Heat exchanger system A system for transferring heat from a first (inner) surface through a second (outer) surface. The system includes at least two adjacent porous and thermally conductive layers between the first surface and the second surface. The innermost layer is charact... | 04/22/1986 |
| 4478051 | Electronic temperature control system A refrigeration system including a refrigeration control system for controlling the operation of the refrigeration system so as to insure that the temperature of the refrigerant discharged from the evaporator coil is above the saturation temperature. The ... | 10/23/1984 |
| 4476867 | Apparatus for effecting hyperthermic treatment A process of hyperthermic treatment of a patient which comprises the steps of establishing a sterile extracorporeal flow path for blood having an inlet, an outlet and a temperature control zone therebetween, establishing communication of the flow path inl... | 10/16/1984 |
| 4463897 | Cooling control system apparatus and method A cooling control system including a valve device controlling a flow of cooling medium to an enclosure in response to a control signal; and a control apparatus generating the control signal as a function of both the temperature and the pressure within the... | 08/07/1984 |
| 4450899 | Method of regulating an outdoor steam condensor and apparatus for performing said method Method and apparatus for improving the operation of forced-air-cooled steam condensors having a bank of air-cooled heat exchangers connected between steam lines and condensate conduits. Air is forced through the heat exchangers by fans and shutters are pr... | 05/29/1984 |
| 4380907 | Method of boiling liquefied gas A method of boiling a liquefied gas in a heat exchanger 10 includes the step of introducing a seed gas via a pipeline 18 to spray nozzles 34 situated under passages 22 of the heat exchanger 10 for reboiling the liquefied gas, e.g. oxygen. The passages 22 ... | 04/26/1983 |
| 4200146 | Method and apparatus for hydraulically driving and controlling a cooling fan A method and apparatus for hydraulically driving and controlling a cooling fan. The apparatus includes a variable displacement hydraulic pump driven by a prime mover and a hydraulic motor connected to the pump and being driven thereby. The motor in turn i... | 04/29/1980 |
| 4140266 | Apparatus for the soldering together of plates of a plate heat exchanger Plates of a plate heat exchanger, defining between them a space adapted to be traversed by a heat-exchange fluid, are held together and are soldered in a chamber in which the plates are heated by passing a heating fluid, generally an inert gas, through th... | 02/20/1979 |
| 4137965 | Waste heat recovery system A system for recovering the waste heat normally exhausted into the atmosphere by chemical or other processing plants. The invented system comprises a heat exchange apparatus located in the exhaust stack or flue passage, heat transfer means for carrying th... | 02/06/1979 |
| 4061483 | Low temperature hypobaric storage of metabolically active matter The preservation of metabolically active matter such as fruit, vegetables, meat, fowl, shrimp, fish, other food, cut flowers, cuttings, foliage plants and the like is disclosed, characterized by storage at controlled and correlated conditions of hypobaric... | 12/06/1977 |
| 4031950 | Process fluid circulation and temperature control system A process liquid circulation and temperature control system including a pump for circulating water or other process liquid through a path including a heating unit, a cooling unit, and a process apparatus that is returned to the pump; the pump and the heat... | 06/28/1977 |
| 3982586 | Method and apparatus for controlling surface temperature A method and apparatus are disclosed for automatically controlling the surface temperature of a body by removing heat from the body with a first heat exchange liquid circulating between a heat exchanger in contact with the body and a second heat exchanger... | 09/28/1976 |
