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Assignee: Nissan Motor Company, Limited


Location: Yokohama, JP
No. of patents: 1602

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NumberTitleIssue Date
6155953Toroidal continuously variable transmission
The upper and lower ends of plural trunnions (46) of a toroidal continuously variable transmission are joined by links (50, 52). A trunnion shaft (70) is joined to the lower end of the trunnion (46). A boss (78A) of a piston (78) is attached to the outer ...
12/05/2000
6016787Idle rotation speed learning control apparatus and method of engine
In an engine whose target air-fuel ratio during the idle state is set to a leaner value than a theoretical air-fuel ratio, the target air-fuel ratio is forcibly switched to the theoretical air-fuel ratio and the learning is performed, when learning a lear...
01/25/2000
5893816Engine idle rotation speed controller
A rotation speed is feedback controlled to a target rotation speed during idle running of an engine. When an automatic transmission is in a travel range, a brake is being operated and a vehicle speed is less than a predetermined value, the target rotation...
04/13/1999
5888167Toroidal type continuously variable transmission
A power input flange is fixed to the tip of a power input shaft whose diameter increases in steps from a tip thereof along a main body thereof and which is supported within a casing, and a power output disk is supported upon the outer peripheral surface o...
03/30/1999
5656911Circuit for driving permanent-magnet synchronous motor using proportional controller
A driving device controls a permanent-magnet synchronous motor having a permanent magnet in its rotor using a voltage-type inverter supplying drive power for the synchronous motor, makes the torque of the synchronous motor and the d-axis current flowing i...
08/12/1997
5602736Vehicle safety system equipped with microcomputer
A vehicle safety system is equipped with a microcomputer for reliably detecting whether or not programs for controlling activation of passenger protection devices are being properly executed and, based on this detection, preventing problems from occurring...
02/11/1997
5545362Production method of sintered silicon nitride
A sintered silicon nitride excellent in high temperature performance is produced by the following method: First, silicon nitride powder and oxide of at least one element selected from elements in the group IIIb of a periodic table are mixed with each othe...
08/13/1996
5488311Apparatus and method for measuring alcohol concentration of liquid blended with alcohol applicable to an automotive vehicle mounted internal combustion engine
The electrodes of an electrostatic capacitor which is used to determine the alcohol concentration in a mixture of gasoline and alcohol, are connected with a frequency oscillator of the LC type which applies a signal having a frequency which is equal to or...
01/30/1996
5423287Crystal growing cell
Crystal growing cell including first and second casings. The first casing has a first solution chamber for containing a first solution therein. The first solution chamber has an opening. The second casing has a closing member placed therein for movement i...
06/13/1995
5399045Waterproof connector
A waterproof connector comprises a male connector housing and an outer hood circumferentially provided on the male connector housing with an annular space therebetween, which contains a seal ring and into which is inserted a hood portion of a mating femal...
03/21/1995
5371446System for and method of driving electric automotive vehicle
A system for driving an electric automotive vehicle controls a slip frequency of a motor by feeding back to a signal control part a rotational speed detected by a motor speed sensor when the motor speed is normal. When the motor speed sensor is abnormal t...
12/06/1994
5366026Impact type clamping apparatus
In an impact type clamping apparatus including a motor unit for generating a pulsatory driving torque, a main spindle driven by said pulsatory driving torque to rotate a fastening member, a detecting unit for detecting a pulsatory torque applied to the ma...
11/22/1994
5365445Engine power trouble detecting method and apparatus by checking actual engine power condition
In an engine power trouble detecting apparatus, an abnormal condition occurring in power or torque of an engine of a vehicle is detectable, The detecting apparatus comprises: a first unit for predicting a power value derived from the engine of the vehicle...
11/15/1994
5360080Vehicle vibration control system
The vehicle vibration control system comprises at least two spring constant adjustable engine mounting devices, an engine speed sensor, an engine vibration load sensor, and a controller. The controller controllably adjusts the dynamic spring constants of ...
11/01/1994
5355629Door structure for vehicle
A door for a vehicle is assembled by joining three modules together to facilitate the assembly process. The three modules are an outer module including an outer panel, a window regulator module including a window pane and a window regulator, and an inner ...
10/18/1994
5357435Traction control system for automotive vehicles
A traction control system for an automotive vehicle comprises, a brake fluid pressure control actuator associated with at least driven wheels for reducing traction created through the driven wheels, and sensors for monitoring an acceleration-slip state of...
10/18/1994
5355676Hydraulic pressure supply apparatus
A hydraulic pressure supply apparatus includes a variable displacement pump which is controlled to change its discharge flow rate and pressure in accordance with a condition of a load side. The pump is communicated with the load side through a conduit to ...
10/18/1994
5355074Gas turbine generator unit
A gas turbine generator unit which is small-sized to be portable. The generator unit comprises a generator directly driven by a gas turbine. The rotatable shaft of the generator is coaxially connected with the rotor shaft of the gas turbine engine. An air...
10/11/1994
5351574Flywheel
A damping mass is housed in a rolling chamber formed in a flywheel body, and executes a pendulum motion in a radial direction according to torque fluctuations. If md is the mass of the damping mass, Id is tile moment of inertia of the damping mass, rd is ...
10/04/1994
5349826Air conditioning apparatus for automotive vehicle
An air conditioning apparatus for an automotive vehicle comprises: a compressor (101) driven by an engine (101) for compressing a refrigerant; an evaporator (103) for evaporating the refrigerant compressed by the compressor; engine speed commanding sectio...
09/27/1994
5323883Friction device
An automotive disc brake assembly comprises a disc rotor made of graphite cast iron with a structure of pearlite, and a brake pad made of organic material. The disc rotor has a first thermal conductivity falling in a range from 0.090 to 0.140 cal/cm.sec.Â...
06/28/1994
5301368System for controlling operations of GPS receiver unit and radio telephone unit for automotive vehicle
An operation control system includes a GPS receiver unit and a radio telephone unit. The GPS receiver unit includes a GPS antenna and a GPS signal receiver circuit connected thereto. The radio telephone unit includes a telephone antenna and a transmitter ...
04/05/1994
5294871Electric motor control system
A control system for an electric vehicle comprises a motor speed detector and a sensor for detecting an accelerator angle and outputting a motor speed error command based on the difference between motor speed and a speed required by the present accelerato...
03/15/1994
5293427Eye position detecting system and method therefor
The invention detects the position of an eye in image of a driver's face quickly and with high reliability, even if the density of the driver's face image is not uniform on the right and left sides due to direct sunlight. Only one eye detection area is ob...
03/08/1994
5293160Keyless vehicle lock system with distance measuring
A keyless lock system for a vehicle includes a card for transmitting a radio signal, at least one onboard antenna for receiving the radio signal, and a control unit for allowing and preventing keyless lock and unlock operations in dependence on the existe...
03/08/1994
5267783Vehicle turning behavior control apparatus
A vehicle turning behavior control apparatus for use with a multi-wheel automatic vehicle. The apparatus provides a difference between the braking forces applied to the nearside and offside wheels of the vehicle to produce a yaw moment in a direction to w...
12/07/1993
5266358Method of forming water-repellent metal oxide film coated on glass substrate
The disclosure relates to a metal oxide film formed on a glass substrate by a sol-gel method using a solution of at least one metal alkoxide or acetylacetonate. Water which is in the amount ranging from 50 to 400 mol % of the at least one metal alkoxide o...
11/30/1993
5255193Traction control system for controlling engine output and brake for maintaining optimum wheel traction with road friction level dependent brake control
A traction control system monitors wheel slippage and variation of wheel slippage for detecting road friction condition. The traction control system selects brake control characteristics depending upon the detected road friction condition....
10/19/1993
5249126System and method for controlling steering response according to vehicle speed applicable to autonomous vehicle
A system and method for controlling a vehicle speed according to a vehicle speed applicable to an autonomous vehicle are disclosed in which distance information and deviation of vehicle posture information are derived relative reference values. The inform...
09/28/1993
5241477Adaptive correction of inappropriate shift in automatic transmission
An adaptive correction of an inappropriate shift operation is disclosed. During a power-off upshift, a variation in output torque of the transmission output shaft is detected. A decision is made based on this output torque variation whether or not the pow...
08/31/1993
5233872Acceleration sensor and acceleration sensing system
An acceleration sensor includes a tubular bobbin only one end of which is fixed to a body whereas the other end is movable relative to the body axially of the bobbin. Supported on the body are magnets for attracting a magnetic member, mounted within the b...
08/10/1993
5231582Shifting control system for automotive automatic power transmission with enhanced variable shift pattern selection depending upon a resistance based upon vehicle acceleration and an engine parameter
A shift control system detects a traveling resistance as a factor influencing the vehicular driving performance. The shift control system varies preset shift pattern according to the detected traveling resistance of the vehicle for optimizing selection of...
07/27/1993
5224043Driving force control apparatus for motor vehicles
A driving force control apparatus for use with an automotive vehicle supported on driving wheels and driven wheels. The apparatus is arranged to provide a driving force reduction control (traction control) to reduce the driving forces applied to the drivi...
06/29/1993
5224044System for controlling driving condition of automotive device associated with vehicle slip control system
A system for controlling an automotive devices, such as an automotive internal combustion engine, an engine accessory and so forth, is associated with a traction control system for cooperation therewith. The automotive device control system is so associat...
06/29/1993
5213012Downshift with power in continuously variable transmission
The present invention relates to a method of and a system for controlling a reduction ratio in a continuously variable transmission. An actuator for controlling the reduction ratio is controlled in response to an output signal. Normally, there is set as t...
05/25/1993
5210821Control for a group of robots
A control for robots wherein a plurality of control units are connected in a hierarchical structure including a plurality of ranks including the lowest rank, and the robots subordinate to the control units belonging to the lowest rank....
05/11/1993
5206808Vehicle turning behavior control apparatus
A vehicle turning behavior control apparatus for use with a multi-wheel automatic vehicle. The apparatus provides a difference between the braking forces applied to the nearside and offside wheels of the vehicle to produce a yaw moment in a direction to w...
04/27/1993
5206809Heat measuring system for detecting knock in internal combustion engine
A knock detecting system for internal combustion engines which includes a heat quantity computing unit for deriving a heat quantity produced in every engine cycle, on the basis of the fluctuations in a combustion pressure waveform in which high-frequency ...
04/27/1993
5200911Apparatus for detecting failure occurring in control system for driving load
A system for detecting failure in a system controlling an inductance load is provided. This system comprises a controller for providing a driving signal to the inductance load to control it, a dither signal generator for adding a dither signal to the driv...
04/06/1993
5197325Misfiring detection system for internal combustion engines
An engine misfiring detection system includes a crank angle sensor for generating a reference pulse representative of a reference crank angle position in each cylinder of the engine, and a ring gear sensor for monitoring a magnitude of crank angle rotated...
03/30/1993
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