| Patent Number |
Title Of Patent |
Date Issued |
| 5895860 |
Heat exchanging medium pressure measuring apparatus |
April 20, 1999 |
| A cylindrical member of a sensor mounting member is partitioned in its middle by a partitioning wall into a high pressure side and a low pressure side, with pressure sensors provided at the two surfaces of the partitioning wall. At a base portion of the sensor mounting member, a comm |
| 5893412 |
Laminated heat exchanger |
April 13, 1999 |
| In order to prevent a communicating pipe from becoming damaged by water (in particular drain water) collecting in the gap formed between the tube element at one end of a heat exchanger that is constituted of a flat plate and a formed plate and the communicating pipe through defective bra |
| 5889733 |
Timer device for distributor type fuel injection apparatus |
March 30, 1999 |
| In a timer device having a timer sleeve at a housing with a timer piston slidably provided at the timer sleeve, a high pressure chamber is constituted by securing to the housing a high pressure side cover member constituted as an integrated part of the timer sleeve. The high pressure |
| 5884896 |
Solenoid driving apparatus |
March 23, 1999 |
| A solenoid driving apparatus includes at least two solenoids of which driving periods do not overlap, a driving unit for driving each solenoid, and a signal generating unit for giving the driving unit a control signal information of each solenoid. The driving unit includes circuit sectio |
| 5881805 |
Laminated heat exchanger |
March 16, 1999 |
| In a laminated heat exchanger constituted by using tube elements each having a heat exchanging medium passage and tanks formed as an integrated unit, the wall surfaces between a plurality of shoal-like beads formed in heat exchanging medium passage of the tube element at the boundary bet |
| 5881804 |
Laminated heat exchanger |
March 16, 1999 |
| In a laminated heat exchanger, an intake portion and an outlet portion for heat exchanging medium are provided at one end portion in the direction of lamination. The intake portion is made to communicate with a most upstream pass distanced from the one end portion in the direction of lam |
| 5875643 |
Refrigeration cycle capacity enhancement apparatus |
March 2, 1999 |
| PurposeTo provide a refrigeration cycle capacity enhancement apparatus that, in addition to lowering the temperature of coolant going from a condenser 4 to an evaporator 7, raising the temperature of coolant going from the evaporator 7 to a compressor 3, enhancing the performance thereof |
| 5868198 |
Header pipes for heat exchanger |
February 9, 1999 |
| The header pipes 3 and 4 of a heat exchanger 1, wherein each of the header pipes is provided with a plurality of tube insertion holes 9 in a longitudinal direction; the ends of tubes 2 are inserted into the tube insertion holes; the extended portions 3a and 4a respectively include lo |
| 5865243 |
Heat exchanger |
February 2, 1999 |
| In a flat tube formed by machining a brazing sheet, ridges 12a-12c are formed at each of the opposing flat portions 11a and 11b of the flat tube 4 along the lengthwise direction of the flat tubes so that the ridges contact the inner surfaces of each of the opposite flat portions. The |
| 5862509 |
Vehicle navigation using timed turn and timed lane restrictions |
January 19, 1999 |
| Methods for planning an optimum vehicle route from a selected origin to a selected destination with a selected departure time, taking account of the presence of timed turn restrictions and/or timed lane restrictions. Separate methods are provided for recalculation of a suitable route |
| 5857444 |
Inner cam system distributor type fuel injector |
January 12, 1999 |
| A rotor that rotates in synchronization with an engine is provided inside a housing and a cam ring is provided outside and around the rotor so that plungers are caused to move reciprocally in the direction of the radius by the cam ring as the rotor rotates. At both sides of the cam ring, |
| 5857367 |
Brazing method |
January 12, 1999 |
| In a brazing method, a flux-mixed liquid is prepared by mixing a brazing flux with a quick-drying oil. The flux-mixed liquid, when it is spread to an aluminum or aluminum alloy work, fixes the brazing flux to the work by a quick-drying character of the quick-drying oil within a short tim |
| 5843571 |
Amorphous hard carbon film |
December 1, 1998 |
| An amorphous hard carbon film deposited on a substrate wherein the film further contains silicon and nitrogen. A method for deposition of an amorphous hard carbon film containing silicon and nitrogen on a substrate wherein a carbon source, a silicon source and a nitrogen source are i |
| 5842946 |
Parallel-axis differential |
December 1, 1998 |
| In a parallel-axis differential, at least three pairs of planetary gears are rotatably receiving in a housing. At least three pairs of the planetary gears are arranged in a circumferential direction at intervals. The intervals are different from one another. Each pair of the planetary |
| 5842647 |
Fuel injection nozzle |
December 1, 1998 |
| A dodge plunger, a nozzle spring, and a needle valve are received in a main body of a fuel injection nozzle in this order forwardly. The first fuel passage and the second fuel passage are formed in the main body. A distal end of the first fuel passage faces the needle valve, and a basal |
| 5841202 |
EMI prevention circuit for a car-mounted electronic control unit |
November 24, 1998 |
| An EMI prevention circuit has a first ground pattern grounded to a car body and a second ground pattern connected to the first ground patter by way of an EMI condenser. A large-current ground line through which a large current flows is connected to the first ground pattern by way of an E |
| 5839347 |
Wobble plate compressor with swash plate guide member |
November 24, 1998 |
| A guide member of a wobble plate compressor is slidably mounted in an inner wall surface of a housing of the wobble plate compressor. The guide member comprises a guide part having a U-shaped cross-section and defining a linear guide groove therein into which is slidably inserted a r |
| 5832408 |
Method and apparatus for selecting a destination in a vehicle navigation system |
November 3, 1998 |
| A method and apparatus for selecting a destination in a vehicle navigation system are described. The vehicle navigation system includes a display and a selection control. A first destination is selected from a primary list of destinations in response to a selection signal generated by th |
| 5826801 |
Fuel injection valve for enhancing penetration spray of injected fuel in an internal combustion |
October 27, 1998 |
| A stem of a poppet valve of a fuel injection nozzle has a plurality of first injection ports and a plurality of second injection ports formed in an area in the vicinity of a valve portion of the poppet valve. One open end of the first injection ports are spacedly circumferentially aligne |
| 5823868 |
Air-conditioning system malfunction compensation method and apparatus |
October 20, 1998 |
| When the built-in contacts of an actuator for driving a mode switching door malfunction or when a control unit for controlling a stepping motor actuator for driving a mode switching door malfunctions, the actuator is turned to a ventilation mode position or a defrost mode position and th |
| 5820358 |
Clearance means to prevent fuel leakage in a radial piston pump |
October 13, 1998 |
| A pump for low-viscosity fuel comprises a pump shaft 6 installed in a pump housing 2, 3, 4 and divided into a drive-side shaft 6A and a driven-side shaft 6B, a partition 12 provided between the drive-side shaft and the driven-side shaft of the pump shaft to prevent leakage of fuel from t |
| 5819200 |
Method and apparatus for selecting a destination in a vehicle navigation system |
October 6, 1998 |
| A method and apparatus for selecting a destination in a vehicle navigation system are described. The vehicle navigation system includes a display and a selection control. A first destination is selected from a primary list of destinations in response to a selection signal generated by th |
| 5806493 |
Distributor type fuel injection pump |
September 15, 1998 |
| In an inner-cam system fuel injection pump, two balance ports that are offset symmetrically relative to a distribution port in a circumferential direction to form a Y-shape are formed at a rotor. The opening ends of the balance ports and the opening end of the distribution port are posit |
| 5805396 |
Protection circuit of drive system for motor |
September 8, 1998 |
| A grounded terminal of a motor driver for controlling an actuator motor is connected to a ground terminal of a control unit through a grounded wire, and therefore connected to a grounded point. Since a ground wire of the stabilized power supply circuit is connected to the ground wire of |
| 5800147 |
Swash plate compressor |
September 1, 1998 |
| There is provided a swash plate compressor which ensures reduction of pulsation of refrigerant gas during operation thereof and at the same time enhances mechanical efficiency of the compressor. Refrigerant gas delivered from front-side compression chambers is introduced into a front |
| 5800137 |
Refrigerating compressor with breakaway pulley portion |
September 1, 1998 |
| A refrigerant compressor includes a drive shaft, a pulley fixedly fitted on the drive shaft, over which is passed a torque-transmitting member for transmitting torque from an external drive source to the drive shaft, and a compression rotational member mounted on the drive shaft for rota |
| 5798589 |
Brushless motor having lubrication system for upper and lower bearings |
August 25, 1998 |
| The present invention offers a simple structure that facilitates the mounting of bearings, that maintains lubricating oil at a sufficient level in the bearing portions and that maintains an optimal distance between a rotor and a case housing for preventing freezing, for preventing reduct |
| 5796223 |
Method and apparatus for high-speed driving of electromagnetic load |
August 18, 1998 |
| An apparatus for driving an electromagnetic load by applying a high voltage at the initial driving stage and thereafter applying a constant hold current is provided with a switch for supplying high-voltage energy to the electromagnetic load from a capacitor for storing high-voltage energ |
| 5785257 |
Swirl type fuel injection valve |
July 28, 1998 |
| A guide hole extending axially, a valve seat and an injection port are coaxially formed on an elongated valve body in this order toward a distal end of the valve body. A pressurized fuel is introduced into a basal end of the guide hole. A valve element is slidably received in the guide h |
| 5783917 |
Method and device for driving DC brushless motor |
July 21, 1998 |
| In order to enable switching of a direct current brushless motor to sensorless operation in a very short time by a device of simple configuration, the application to a commutator section of external sync signals for accelerating the rotor is stopped upon passage of a fixed time after |
| 5781082 |
Power supply filter for preventing noise signal from entering power supply circuit |
July 14, 1998 |
| In an R-C filter for preventing a noise signal from entering a power supply system through its output circuit, a circuit component acting as a resistive element for the filter is connected in series with the output circuit and a capacitive element is connected between one portion of the |
| 5775304 |
High-pressure fuel injection system |
July 7, 1998 |
| A high-pressure fuel injection system which has a fuel injection unit including an injector, a fuel pump for supplying a high-pressure fuel to the fuel injection unit, a motor for driving the fuel pump, a PID controller for controlling the operation of the motor, a device for measuri |
| 5768782 |
Flat tube for heat exchanger and method for manufacturing it |
June 23, 1998 |
| A flat tube for use in a parallel flow type heat exchanger is formed by bending a single plate. The plate of a predetermined width is wound in a roll form and the plate is continuously drawn out from the roll. The continuously drawn out plate is provided with a projected portion which is |
| 5760512 |
Brushless motor |
June 2, 1998 |
| A brushless motor includes features that prevent jolting or shaking of a rotating shaft by urging the rotating shaft in one direction and have a simple construction and can heighten the mechanical strength of a portion holding the rotating shaft in order to lower noise. The brushless mot |
| 5751414 |
Laminated heat exchanger |
May 12, 1998 |
| In a laminated heat exchanger provided with tanks only on one side, which is constituted by laminating tube elements alternately with fins over a plurality of levels, a flange portion projecting out toward the fins is provided in each formed plate constituting the tube elements at an end |
| 5749527 |
Solenoid fuel injection valve |
May 12, 1998 |
| A solenoid fuel injection valve includes a face-type armature 32 having a coupling section 37 coupled with the needle valve 10 and a flat section 36. The armature 32 is accommodated in an armature chamber 38 and the flat section 36 partitions the armature chamber 38 into an upper armatur |
| 5746584 |
Inner cam type fuel injection pump having modified plungers |
May 5, 1998 |
| In an inner cam type injection pump, the side surface of the protruding portion of each of the plungers facing the compression space is formed in a projecting shape in the area where the plunger changes from the base end side into the front end. Specific forms of the projection include a |
| 5741127 |
Vane for vane compressor |
April 21, 1998 |
| A vane for a vane compressor comprises an aluminum based metal and a clad of a ferrous metal provided on the surface of the aluminum base metal. The vane is formed by joining a pipe of the ferrous metal onto the surface of the aluminum based basis pressing process. |
| 5735766 |
Center differential for four-wheel drive vehicles |
April 7, 1998 |
| In a disclosed center differential, a front sun gear and a rear sun gear are received within a housing such that they are coaxial with a rotational axis of the housing. The pair of sun gears have helical teeth respectively. The helical teeth of the rear sun gear is helically twisted |
| 5731978 |
Method and apparatus for enhancing vehicle navigation through recognition of geographical region |
March 24, 1998 |
| A method for navigating with a vehicle navigation system using recognition of geographical region types in a map database. The system's map database stores information representative of a plurality of geographical region types. A geographical region type of a geographical region in which |
| 5731953 |
Control unit for vehicle air-conditioner system |
March 24, 1998 |
| A control unit for a vehicle air-conditioner system of the type incorporating an in-car sensor and an aspirator fan has a circuit board mounted in a casing equipped with a control panel, an aspirator fan for sucking passenger compartment air into the casing through an air intake in t |
| 5730679 |
Parallel-axis differential |
March 24, 1998 |
| In a parallel-axis differential, at least three pairs of planetary gears are rotatably receiving in a housing. At least three pairs of the planetary gears are arranged in a circumferential direction at intervals. The intervals are different from one another. Each pair of the planetary |
| 5727626 |
Header tank of heat exchanger |
March 17, 1998 |
| A header tank for a heat exchanger in the parallel flow type includes a plurality of tubes (2) and corrugated fins (3) stacked alternately, both ends of the stacked tubes are connected with the header tanks (4). Each header tank includes partition plates (12) therein. The header tank is |
| 5726564 |
Temperature-compensating method for a resistance bridge circuit, resistance bridge circuit with |
March 10, 1998 |
| A temperature-compensating method of a resistance bridge circuit constructed of a plurality of resistance devices, comprises: a first step of adjusting in direction and in curvature a temperature characteristic curve of an output signal issued from the resistance bridge circuit in wh |
| 5724817 |
Laminated heat exchanger |
March 10, 1998 |
| The object of the present invention is to provide a laminated heat exchanger having a block type expansion valve which is mounted without using O-rings or screws. In the laminated heat exchanger, the block main body, which is a component of the block type expansion valve, is brazed in |
| 5718284 |
Laminated heat exchanger |
February 17, 1998 |
| In a laminated heat exchanger having tube elements alternatingly laminated with fins, the plate thickness of an end plate is made smaller than the plate thickness of a formed plate constituting the tube element at the extreme end. Since the end plate becomes deformed more easily than the |
| 5718120 |
Vehicle air-conditioning system and control method |
February 17, 1998 |
| A vehicle air-conditioning system which operates in response to the manipulation of momentary switches is provided with discriminating means for discriminating whether any momentary switch is on at the time of system power-up. When the discriminating means finds that one or more mome |
| 5714813 |
Return-to-origin mechanism in motor actuator |
February 3, 1998 |
| An actuator lever 3 has one of its opposite ends fixedly mounted on an output shaft 4 which extends upward from an upper surface 2a of an actuator casing 2. The other end of the actuator lever 3 has its lower surface fixed to a stopper 8. In operation, the stopper 8 abuts against a v |
| 5712788 |
Incremental route calculation |
January 27, 1998 |
| Method and apparatus for determining a route from a source location to a final destination using a vehicle navigation system having a map database. At least one intermediate destination is determined from the map database, each intermediate destination being at the other end of an interm |
| 5709535 |
Multi-cylinder reciprocating compressor having improved discharge valve stopper assembly |
January 20, 1998 |
| A reciprocating compressor includes a cylinder block having a plurality of compression chambers formed therein and a cylinder head secured to the cylinder block and having a high-pressure chamber formed therein. A first member is arranged between the cylinder block and the cylinder head |
