Quotables
"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7181922 | Automotive air conditioner A cooled air temperature detector detects the temperature of air that has just passed through a refrigerant evaporator. The detector detects air temperatures for a plurality of locations on the cooling unit. When determining a control condition (ON/OFF condition) of... | 02/27/2007 |
| 7131490 | Fan coil controller A fan coil controller for a hot and cold water system of a building that turns off the fan while the hot water and cold water coils are flushed. A fan coil control circuit is configured to periodically and temporarily operate a hot water flow control circuit and a c... | 11/07/2006 |
| 6699022 | Vacuum exhaust apparatuses and vacuum exhaust methods A vacuum exhaust apparatus includes an oil-sealed rotary pump with a gas inlet for taking a gas into the pump. The gas inlet has a gas inlet flange to join with a flange of a gas inlet pipe for guiding the gas to the pump. An oil supply section connects w... | 03/02/2004 |
| 6037567 | Vehicle air-conditioning system with heat exchanger having integrated electric heaters and temperature control system A vehicle air-conditioning system includes electric heating devices to accelerate a rise in temperature of air for heating a passenger compartment by accelerating a rise in temperature of warm water used to heat the air and by directly heating the air. El... | 03/14/2000 |
| 6016966 | Air conditioning system for automotive vehicles In an air conditioning system for controlling the temperature of a vehicle passenger compartment, a valve is disposed in a fluid passageway for controlling an amount of the engine coolant flowing toward the heat exchanger. A sensor device senses an air te... | 01/25/2000 |
| 5904292 | Modulating fluid control device The present invention relates to a modulating fluid control device for a fluid-based heating and cooling system for a measured environment. The control device comprises a body, a fluid entry port and a fluid exit port and a valve with actuator located bet... | 05/18/1999 |
| 5809790 | Operation control device for a refrigerator and method thereof An operation control device for a refrigerator which can maintains freshness of food and drink for a long time by supplying a cold-storage room with cool air remaining in an evaporator by opening a cold-storage room damper and driving a fan motor until a ... | 09/22/1998 |
| 5622221 | Integrated zoning circulator with priority controller An integrated zoning circulator includes a priority controller, integral with the zoning circulator, for determining the priority given to the circulator in an individual zone of a multi-zone hydronic system. The zoning circulator also includes a priority... | 04/22/1997 |
| 5592989 | Electronic thermostat having high and low voltage control capability An electronic thermostat having high and low voltage control capability and varied functional capabilities. The thermostat is particularly suited for use with fan coil heating and cooling units. Specifically the thermostat uses relays to actuate external ... | 01/14/1997 |
| 5564625 | Method for controlling motor vehicle interior temperature A method for controlling the temperature of an interior, particularly for a motor vehicle immediately sets the desired temperature of the inflowing medium by way of PI control in a starting phase only if the initial interior-temperature error values are s... | 10/15/1996 |
| 5460221 | Fan coil thermostat with circuitry to assure minimum power for relay pull-in A thermostat capable of accommodating primary and secondary loads is taught. Preferably a hydronic valve actuator is the primary load and a fan coil of variable speed is the secondary load. Temperature sensing is electronic and both heating and cooling as... | 10/24/1995 |
| 5307990 | Adaptive forced warm air furnace using analog temperature and pressure sensors Furnace control for a forced air furnace utilized in multi-zone heating. The forced air furnace is made up of return ducts, a heat exchanger, warm air ducts, a circulation blower, and a burner. The forced air furnace receives heating requests from externa... | 05/03/1994 |
| 5261483 | Control system for a fan coil of an air-conditioner A control system for a fan coil of an air-conditioner having a fan for heat exchange, and a coil unit through which cool or hot water circulates to cool or heat the room by heat exchange with the room air, wherein an automatic change is carried out betwee... | 11/16/1993 |
| 5209398 | Model-based thermobalance with feedback A temperature control system and method for maintaining the temperature of air within an air pressure controlled enclosure at a desired temperature. The system uses an energy flow model to determine the temperature to which the air supplied to the enclosu... | 05/11/1993 |
| 4599992 | Anticipatory thermostat with reset for domestic hydronic boiler control A hot water heating system for a building has a hot water storage tank, a combustor, a burner for firing the combustor, a plurality of radiators, a pump for circulating hot water to and from the plurality of radiators, a first thermostat for measuring the... | 07/15/1986 |
| 4550833 | Variable-volume receptacle, especially for use as a compensating receptacle in building heating systems A variable-volume receptacle, especially for use as a compensating receptacle in heating systems. The receptacle includes two membrane-like sheets of rubber or synthetic material; the sheets have the same surface areas, and are placed against one another.... | 11/05/1985 |
| 4548355 | Device for regulating heating capacity of a heat exchanger A device for regulating the heat output or heat capacity of a heat exchanger in an automotive vehicle with an actuating member to control the flow of a heat exchange medium and with a control device operating the actuating member. To provide input to the ... | 10/22/1985 |
| 4446912 | Selected segment heating or cooling system A selected segment heating system including: means for heating a fluid; conduit means for conducting the fluid from the outlet to the return inlet of the means for heating through a plurality of areas; means, interconnected with the conduit, for moving th... | 05/08/1984 |
| 4398663 | Heating system with steam radiators A building heating system with a plurality of steam radiators is provided with a control unit for the steam boiler. The control unit receives signals representative of the outside temperature and the pressure of the steam in the feeder conduit. The contro... | 08/16/1983 |
| 4320870 | Temperature control systems A temperature control system for maintaining a selected location at a preselected temperature comprises a supply of heat transfer fluid, a first control for controlling the temperature of the heat transfer fluid, a heat exchanger for receiving the heat tr... | 03/23/1982 |
| 4189093 | Apparatus for regulating the temperature of a compartment or space An apparatus to regulate the temperature of the interior of a motor vehicle, including a room air temperature sensor and a heating air temperature sensor, with the room air temperature sensor providing a substantially higher controlled variable change per... | 02/19/1980 |
| 4147302 | Home heating system control A heat control system designed to control individual radiators in a heating system where there is only one boiler supplying steam, or one heated fluid source such as a utility steam supply, and where there is no separate condensate return line; each radia... | 04/03/1979 |
| 3963177 | Thermostatic control valve for a one-pipe steam system A thermostatic control valve for a one-pipe steam system formed by the combination of a conventional vent valve and a temperature controlled valve for closing the flow passage into the vent valve at a pre-set ambient temperature. The temperature controlle... | 06/15/1976 |
