Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 6332553 | String-attached cap An annular groove is formed in a cap body of a cap. An elongated coupling member has a ring part formed integrally therewith, and is coupled to the cap as the ring part is engaged in the annular groove. The cap and the coupling member are each formed of e... | 12/25/2001 |
| 6266858 | Apparatus for manufacturing a header pipe The end faces of the edge portions of a flat plate, which have been respectively cut into a given shape according to a trimming operation, are then respectively face-struck into a linear shape. Also, in the trimming operation, each of the edge portions of... | 07/31/2001 |
| 6196258 | Pressure control valve and evaporation fuel discharge control device The pressure control valve is structured such that a first port is formed on one side of a casing, a second port is formed on the other side, and, in the casing, there are disposed not only a positive pressure valve which, when the pressure on the first p... | 03/06/2001 |
| 6173487 | Resistor unit for a fan speed controller of an automotive air conditioning device A fan speed controller of an automotive vehicle air conditioning device is usually placed in an air flow duct to be effectively cooled. Thus, compact construction of the speed controller is needed to obtain a larger air flow in the air flow duct. For this... | 01/16/2001 |
| 6168515 | Air conditioning intake door control A vehicle air conditioning control system includes an actuator for controlling the position of an outside air intake door and an ambient exhaust gas sensor. A controller of the control system monitors a time rate of change of the degree of uncleanness per... | 01/02/2001 |
| 6167953 | Heat exchanger tank A cylindrical tank body is formed by folding a plate material which has a brazing filler metal layer and is formed from aluminum clad. One end of the plate material is extended along the other end of the tank body, and the thus-extended portion is brazed ... | 01/02/2001 |
| 6158325 | Swash plate type variable displacement compressor A swash plate type compressor has a rotating assembly of a drive shaft, a drive plate mounted on the drive shaft and a swash plate unit linked with the drive plate through a hinge mechanism. The drive plate has a circular disk portion and a hinge supporti... | 12/12/2000 |
| 6151893 | Flexible tube for automobile exhaust systems A flexible tube for an automobile exhaust system which has a bellow assembly to absorb the first exhaust pipe and the second exhaust pipe for the an exhaust system having a cylindrical outer cover (5) made of plate to cover the outer periphery of the bell... | 11/28/2000 |
| 6146110 | Swash plate type compressor A swash plate type compressor for refrigerant in a refrigeration cycle of an air conditioning system for an automotive vehicle. The compressor comprises a cylinder block having a plurality of cylinder bores. A plurality of pistons are provided to be respe... | 11/14/2000 |
| 6125643 | Heat pump type air conditioning system for automotive vehicle A heat pump type air conditioning system (A) for an automotive vehicle. The heat type air conditioning system (A) comprises a first unit (10) including a heater core (11) through which an engine coolant of an engine flows, and a first heat exchanger (12) ... | 10/03/2000 |
| 6120259 | Swash plate type compressor A swash plate type compressor comprises a case including a cylindrical cylinder block; a drive shaft installed in the case and rotatable about its axis; a swash plate carried by the drive shaft s and rotatable together therewith; a cylindrical rear housin... | 09/19/2000 |
| 6109085 | Forming apparatus using a pair of rollers The forming apparatus including: at least one forming roller; a roller shaft, on which the forming roller is attached; a pair of mutually spaced apart bearing stands, on each of which the roller shaft is rotatably and axially supported; a first coupling a... | 08/29/2000 |
| 6105666 | Vehicular air conditioning apparatus Described is an apparatus for air conditioning a passenger compartment of an automotive vehicle which achieves a quick warming-up of the passenger compartment. In the air conditioning apparatus, in addition to a coolant of a vehicular engine which is util... | 08/22/2000 |
| 6097311 | Warning device for distance between cars A warning device for a distance between cars, for measuring a distance between a car and an object in front of the car, judging the possibility of danger on the basis of distance data thus obtained, and generating an alarm in the case where it is judged t... | 08/01/2000 |
| 6095030 | Swash plate variable displacement compressor A swash plate type variable displacement compressor for refrigerant in a refrigeration cycle of an air conditioning system for an automotive vehicle. The compressor comprises a drive shaft around which a journal is movably disposed around so as to be rota... | 08/01/2000 |
| 6082449 | Oil cooler structure A structure for mounting an oil cooler to a heat-exchanger tank is disclosed. A long-scale oil cooler is received in a heat-exchanger tank, and pipe portions are formed only on one side of the oil cooler so that the pipe portions are inserted respectively... | 07/04/2000 |
| 6080371 | Catalytic converter and honeycomb metallic catalyst bed unit therefor A plurality of corrugated sheet metal portions are put on one another to constitute a honeycomb metallic catalyst bed. Each sheet metal portion has a plurality of straight, parallel, alternate ridge and groove portions, so that when each upper sheet metal... | 06/27/2000 |
| 6052899 | Condenser with liquid tank and manufacturing method the same A casing forming a liquid tank is welded through coupling brackets to a first header pipe forming a condenser by brazing. This coupling brackets are smaller in thermal capacity than the casing and the first header pipe.... | 04/25/2000 |
| 6049981 | Method for manufacturing a header pipe A flat plate is molded in such a manner that a pair of semidivided cylindrical portions are arranged in parallel to each other with an arc-shaped connecting portion between them. Tube insertion holes are formed in one of the pair of semidivided cylindrica... | 04/18/2000 |
| 6048263 | Heating, ventilation, and air conditioning unit for automotive vehicles An automobile heating, ventilation, and air conditioning (HVAC) unit comprises a heating, ventilation, and air conditioning case permitting the flow of interior air, an evaporator core disposed in the case for taking heat from the interior air to produce ... | 04/11/2000 |
| 6032723 | Automotive air conditioning device Four air flow control doors of an automotive air conditioning device are synchronously controlled by a link mechanism. With a unique construction of the link mechanism, the following advantageous results are obtained. In a ventilation mode of a maximum co... | 03/07/2000 |
| 6029348 | Oil cooler mounting structure and oil cooler mounting method An oil cooler mounting structure includes: a heat exchanger tank main body that is made of aluminum and has an oil cooler mounting hole in a wall surface thereof; an oil cooler that is made of aluminum, has an insertion hole for an oil introducing/dischar... | 02/29/2000 |
| 6016843 | Flanged pipe unit and method of producing same To produce a flanged pipe unit, a separate flange is put on a pipe and then the pipe is subjected to a punching to achieve an interlocked connection between the flange and the pipe. The flanged pipe unit produced by the method of the invention comprises a... | 01/25/2000 |
| 6009934 | Electronic climate control system for automotive vehicles An electronic climate control system for an automotive vehicle comprises a by-pass passage for delivering cool air flowing through an evaporator core directly to discharged-air ventilators, a by-pass door provided at a communication inlet of the by-pass p... | 01/04/2000 |
| 6007300 | Centrifugal multiblade fan A centrifugal multiblade fan comprises a plurality of curved blades which are circularly arranged about a common rotation axis at evenly spaced intervals defining a curved air flow passage between every neighboring blades. Each curved blade has concave fr... | 12/28/1999 |
| 5996205 | Method for manufacturing a pipe with a partition In the method for manufacturing a pipe with a partition, a flat plate is molded such that a pair of semidivided cylindrical portions are arranged in parallel to each other through a connecting portion, a U-shaped partition forming portion is so formed in ... | 12/07/1999 |
| 5996369 | Air conditioner with sub-condenser In a heating system having a refrigerating circuit accompanied with a sub-condenser, an air conditioner with the sub-condenser is designed with simplified piping structure and easy piping work. The system can be easily installed to an electric car and oth... | 12/07/1999 |
| 5975191 | Vehicle air conditioner A dual type vehicle air conditioning system has a rear air conditioning system for rear seats and a front air conditioning system for front seats. The rear conditioning system has a rear conditioner unit defining a main air passage for directing inside ai... | 11/02/1999 |
| 5968171 | Initialization processing system of in-car microcomputer An external interrupt port is installed for writing a password into a random access memory by monitoring low voltage with an interrupt when a battery is turned off and on instantaneously and performing ignition off processing. During Random access memory ... | 10/19/1999 |
| 5967193 | Flexible pipe unit for use in exhaust pipe line of automotive engine A flexible pipe unit for an exhaust pipe line of an internal combustion engine comprises a metal bellows which has a front open end adapted to be connected to a first exhaust pipe and a rear open end adapted to be connected to a second exhaust pipe. A cyl... | 10/19/1999 |
| 5960542 | Method of producing piston for swash plate compressor In order to produce a single headed piston for a swash plate compressor, the following steps are used. First, a shaped block of metal is cast, the block including a plurality of unfinished piston structures which are aligned and integrated, each unfinishe... | 10/05/1999 |
| 5941304 | Connector for heat exchanger A heat exchanger includes at least one elongate header of metal, a plurality of refrigerant flow tubes each having one open end exposed to the interior of the header and a plurality of heat radiation fins extending along the tubes. A connector of metal is... | 08/24/1999 |
| 5937938 | Oil cooler mounting structure and oil cooler mounting method An oil cooler mounting structure includes: a heat exchanger tank main body that is made of aluminum and has an oil cooler mounting hole in a wall surface thereof; an oil cooler that is made of aluminum, has an insertion hole for an oil introducing/dischar... | 08/17/1999 |
| 5937939 | Joint portion of heat exchanger A second tubular portion, having a closed distal end, is formed at an inner surface of a connector block constituting the joint portion. A threaded hole, which is open to an outer surface of the connector block, is formed in the tubular portion. A bolt is... | 08/17/1999 |
| 5927397 | Pipe with closure portion, heat exchanger header and method of producing therefor In the end-closed pipe of the invention, a pair of half-cylindrical portions are opposed to each other to form a pipe portion, and part of an end portion of each of the half-cylindrical portions is folded or formed into a V-shaped or a U-shaped cross-sect... | 07/27/1999 |
| 5924332 | Damper door controller for automotive air conditioner A damper door controller is provided for remotely controlling damper doors of a cooler/heater unit of an automotive air conditioner. The controller comprises a knob holder; at least one rotary knob rotatably connected to the knob holder; a pinion coaxiall... | 07/20/1999 |
| 5924481 | Cooling device for electronic component A header tank for accommodating refrigerant is formed on one side of the cold plate, on the other side of which an electronic component is mounted. A plurality of loop pipes in which the refrigerant is circulated are connected with the header tank. The pl... | 07/20/1999 |
| 5915677 | Circular plate spring A circular plate spring for use in a flexible pipe unit comprises an annular base portion constructed of a spring metal plate and a plurality of equally spaced resilient support portions integral with the annular base portion. The resilient support portio... | 06/29/1999 |
| 5911274 | Joint portion of heat exchanger A second tubular portion, having a closed distal end, is formed at an inner surface of a connector block constituting the joint portion. A threaded hole, which is open to an outer surface of the connector block, is formed in the tubular portion. A bolt is... | 06/15/1999 |
| 5909903 | Coupling structure for coupling two pipes For coupling first and second metal pipes, a coupling structure is provided which comprises a first diametrically angled end portion of the first metal pipe and a second diametrically enlarged end portion of the second metal pipe. The second enlarged end ... | 06/08/1999 |
