Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7428565 | Logical operation circuit and logical operation device To provide a logical operation circuit and a logical operation device which can performs a logical operation using a ferroelectric capacitor. The area ratio between the ferroelectric capacitors CF1 and CF2 are set such that the potential difference Vde... | 09/23/2008 |
| 7161316 | Method and apparatus for discrete speed compensated torque step motor control Methods and apparatus for controlling a motor are provided. The motor may be operated in a fluid system having a variable static pressure acting on the motor. The method including operating the motor at a first substantially constant torque level, varying the static... | 01/09/2007 |
| 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 |
| 7119308 | Forced-air heater control system and method The present invention relates to a forced-air electric heater control system for HVAC systems. One embodiment utilizes two heat sensors which are positioned upstream and downstream, equidistant from the heating element(s). The control system, in this embodiment, tak... | 10/10/2006 |
| 7066091 | Methods and apparatus for controlling impurity levels in an enclosed printing press environment Methods and apparatus for controlling impurity levels in an enclosed printing press environment are disclosed. A disclosed system controls impurity levels by using variable speed fans to control the intake of air into the enclosed environment and the exhausting of a... | 06/27/2006 |
| 7017650 | Earth loop energy systems Wellbore heat loop systems, fillers for bores in the systems, and methods of the use of such systems; the systems in certain aspects having a heat loop wellbore in the earth having heat loop pipe extending down to one side of a bottom member and up therefrom on anot... | 03/28/2006 |
| 7012223 | Forced-air heater control system and method The present invention relates to a forced-air electric heater control system for HVAC systems. One embodiment utilizes two heat sensors which are positioned upstream and downstream, equidistant from the heating element(s). The control system, in this embodiment, tak... | 03/14/2006 |
| 6755138 | Ventilation system and method A balanced building ventilation system that employs a fireplace as an element of the ventilation system. The fireplace includes a firebox, and an exhaust gas flue is connected to the firebox for exhausting gas from the firebox to the outdoor ambient. A ventilation c... | 06/29/2004 |
| 6690560 | Electrical load controller and vehicle air conditioner using the same In an electrical load controller, a thermal fuse is blown at an abnormal heating of an electrical load, so that an electrical circuit of the electrical load is disconnected. The controller controls a work amount of the electrical load by intermittently co... | 02/10/2004 |
| 6134134 | Thermostat voltage adapter The present invention is a voltage adapter for a low voltage thermostat which permits the following input voltage ranges: 100-132 VAC/50 or 60 Hz, 200-264 VAC/50 or 60 Hz, and 265-330 VAC/50 or 60 Hz maintaining an output of at or just effectively about 24 VAC.... | 10/17/2000 |
| 5847671 | Arrangement of a vehicle auxiliary heater with a regulating device and control unit inside a vehicle In an arrangement of a vehicle auxiliary heater with an integrated regulating device in the region of the floor in the vehicle cab and a control unit remote from the auxiliary heater, e.g. in the region of the dashboard or on an inner wall of the vehicle,... | 12/08/1998 |
| 5769316 | Air conditioner for vehicles An air conditioner for a vehicle has a heat pump type refrigerant circuit capable of operating at least in a heating mode. The air conditioner comprises a motor fan for supplying air heated by a heat exchanger to the interior of the vehicle during operati... | 06/23/1998 |
| 5743103 | Air conditioner An air conditioner is provided and includes a louver which is provided at a blowing opening. The louver is moved rotationally from above to below or from below to above by a variable speed mechanism. At the time of heating, a louver rotational speed while... | 04/28/1998 |
| 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 |
| 5467606 | Air conditioning apparatus capable of operating in cooling mode and heating mode An air conditioning apparatus comprising an indoor unit. The unit has a first indoor heat exchanger for cooling or heating indoor air and a second indoor heat exchanger for cooling or heating indoor air. A first indoor fan is located near the first indoor... | 11/21/1995 |
| 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 |
| 5323961 | Apparatus for controlling unit ventilators A controller for unit ventilators which include processing means having associated memory that enables control schemes to be used. The controller is modular and compact in its construction, is easily installed in existing unit ventilators and provides not... | 06/28/1994 |
| 5284204 | Hydronic thermal distribution system for space heating and cooling The apparatus of the present invention comprises a hydronic distribution system using prefabricated, flexible cable containing plastic tubing to provide liquid supply and return conduits for the hydronic system. The plastic conduits are enclosed in a foam... | 02/08/1994 |
| 5207379 | Cascaded control apparatus for controlling unit ventilators A controller having two cascaded PID control loops in the control of unit ventilators of the type which have a heating coil, a fan, and a damper for admitting outside air into a room in which the unit ventilator is located. The controller utilizes the sen... | 05/04/1993 |
| 5086626 | Air conditioner with function for temperature control of radiant heat exchanger A refrigeration cycle comprising a compressor and an outdoor heat exchanger, both of which are arranged outside a room to be air-conditioned, to communicate with an indoor heat exchanger and a radiant heat exchanger, both of which are arranged inside the ... | 02/11/1992 |
| 5072878 | Air conditioning apparatus An air conditioning apparatus comprises a plurality of outlet ports, a blowing fan for blowing off an conditioned air from the outlet ports to the outside of the main body of the apparatus, an air directing plate arranged in at least one of the outlet por... | 12/17/1991 |
| 5046549 | Separate air-conditioner A separate air conditioner includes a heat exchanger, an upper fan, a lower fan, the first air flow control for controlling the upper and lower fans in an initial heating period such that the ratio of an upper air flow from the upper fan to a total air fl... | 09/10/1991 |
| 4909310 | Air flow control device for an air conditioner In an air flow control device for an air conditioner including a heat exchanger arranged so as to face an inlet port, and upper and lower air-blowing fans disposed in upper and lower outlet ports, respectively, wherein air sucked through the inlet port an... | 03/20/1990 |
| 4852637 | Thermostatic controlled system An air supply and conditioning system 10 is provided having a constant speed air blower 26 whose output is controlled by a thermostatic throttle and check valve 28. The throttle and check valve provides a minimum air flow below a minimum ambient temperatu... | 08/01/1989 |
| 4777929 | Mounting for duty cycle control switch for ceiling mounted ductless heater A temperature sensitive duty cycling control switch is mounted to a forced air ductless gas or oil heater by a special mounting bracket. The bracket attaches to the front of the heater in the path of the heated airflow. The mounting device is basically a ... | 10/18/1988 |
| 4750546 | Automatic baseboard damper system Radiator housing assembly, for a hydronic baseboard heater for heating a room or area, forming a part of an overall building or zone heating system having a master thermostat, said assembly having a damper which is positionable between open and closed pos... | 06/14/1988 |
| 4664311 | Mounting for duty cycle control switch for ceiling mounted ductless heater A temperature sensitive duty cycling control switch is mounted to a forced air ductless gas or oil heater by a special mounting bracket. The bracket attaches to the front of the heater in the path of the heated airflow. The mounting device is basically a ... | 05/12/1987 |
| 4615481 | Air conditioner An air conditioner comprising temperature detectors for respectively detecting air temperatures at suction and discharge sides, a fan motor whose rotational speed is controllable, a motor driven wind directing plate, and a control section for controlling ... | 10/07/1986 |
| 4611756 | Controller for fan motor of air conditioner A controller for a fan motor of an air conditioner in a vehicle according to the present invention is constructed to control the magnitude of a stream of air sent from an electric fan into a room of the vehicle so that the magnitude of a stream of air is ... | 09/16/1986 |
| 4518032 | Temperature control apparatus for automobile air-conditioning systems In an air conditioning system for automobiles including a temperature control apparatus having temperature setting device for setting a vehicle compartment temperature, a temperature sensing device for sensing an actual vehicle compartment temperature, a ... | 05/21/1985 |
| 4478365 | Water valve with heat transfer socket A water valve is disclosed for use in passenger vehicle heating systems. The valve includes a cylindrical metallic socket having a heat accepting surface portion connected to the valve housing and in fluid communication with fluid flowing through the valv... | 10/23/1984 |
| 4378087 | Apparatus for and a method of air conditioning vehicles by controlling circulation of inside air and introduction of outside air An apparatus for controlling the air conditioning of a vehicle in accordance with the operational condition of said vehicle, the state of air conditioning of the passenger compartment of said vehicle and the relationships among the passenger compartment t... | 03/29/1983 |
| 4319713 | Stove blower control accessory A temperature responsive blower control attachment for a wood-burning stove. The attachment is mountable to or seatable on a heated external surface of the stove and provides thermostatically regulated operation of an electrically operated blower or fan t... | 03/16/1982 |
| 4308990 | Flue gas heat recovery system A flue gas heat recovery system includes a heat exchanger fluidly interposed between a furnace and a chimney to receive hot flue gas from the furnace. The heat exchanger is releasably mounted in the chimney and includes a partition which forces air being ... | 01/05/1982 |
| 4240499 | Balanced waste heat recovery and dissipation system A system for recovering and utilizing, to a controlled and variable extent, waste heat from a coolant fluid. The amount of heat recovery varies in proportion to the marginal costs associated therewith. Heat laden coolant passes through an interior heat ex... | 12/23/1980 |
| 4213444 | Fireplace heater unit The "Fireplace Heater Unit" conveys fireplace heat to the atmosphere through the means of hot water and steam. Steam pressure build-up is controlled by a regulator that releases steam through a nozzle at the proper pressure. This controlled steam is put t... | 07/22/1980 |
| 4132354 | Auxiliary air displacement method and unit for furnaces A method of maximizing available but unused heated air located in the plenum of a furnace which comprises sensing the point at which air within the furnace plenum is sufficiently warm to provide valuable hot air but is still below the activation temperatu... | 01/02/1979 |
| 4126268 | Portable room-temperature controller A portable forced air unit having a housing provided with an air driving element arranged between an air inlet and an air outlet, the air outlet feeding the forced air beneath a fixed room heat exchanger e.g. baseboard or convector heater with which the u... | 11/21/1978 |
| 3985295 | Heat collector and diffuser A heat collector and diffuser is disclosed for superimposition over elongated fin tube radiators in building heating systems. Blower means induces airflow across an elongated fin tube heat exchanger and into collector ducts which channel the heated air in... | 10/12/1976 |
| 3937398 | Conditioned air distribution system An air distribution system supplies conditioned air to at least one zone to be conditioned and comprises a supply duct connected with a diffuser discharging into the conditioned zone. A modulating valve in the supply duct is provided with a bellows actuat... | 02/10/1976 |
