1
Tokio Kohama, Seizi Huzino, Hideki Obayashi, Hisasi Kawai, Tsuneyuki Egami: Method and system for output control of internal combustion engine. Nippon Soken, Cushman Darby & Cushman, December 25, 1984: US04489695 (96 worldwide citation)

The number of working cylinders of the internal combustion engine is controlled so that the load of the internal combustion engine is relatively increased thereby to keep the combustion effect within an expected range. By controlling the number of working cylinders of the internal combustion engine ...


2
Tokio Kohama, Seizi Huzino, Hideki Obayashi, Hisasi Kawai, Tsuneyuki Egami: Output control system for multicylinder internal combustion engine. Nippon Soken, Cushman Darby & Cushman, March 6, 1984: US04434767 (89 worldwide citation)

In the range where the fuel efficiency may be improved by relatively increasing the load of working cylinders at the time of partial loading of a multicylinder internal combustion engine, the intake pressure of the engine is maintained at a fixed optimum value. Also, the number of working cylinders ...


3
Tsuneyuki Egami, Hiroshi Fujita, Keiichiro Banzai, Takeshi Sawada, Hiroya Tsuji, Kazuyoshi Obayashi, Hiroaki Kajiura, Masahiro Seguchi, Toyoaki Kurita: Controller for hybrid vehicle. Denso Corporation, Pillsbury Madison & Sutro, January 25, 2000: US06018694 (86 worldwide citation)

A gas-sparing vehicle is achieved by a control system for a hybrid vehicle equipped at least with: a hybrid engine which includes at least a first rotary electric unit for deciding the rpm of the engine and a second rotary electric unit for deciding the driving force of the vehicle and which has pow ...


4
Tsuneyuki Egami, Yousuke Setaka, Tatsuru Morioka, Keiichiro Banzai: Power source control apparatus for hybrid vehicles. Denso Corporation, Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro, August 4, 1998: US05789881 (64 worldwide citation)

A power source control apparatus for parallel and series hybrid vehicles is provided. The power source control apparatus determines a required torque of a power source consisting of a generator-motor and an internal combustion engine based on a parameter indicating an operational mode of the vehicle ...


5
Tsuneyuki Egami, Kazuyoshi Obayashi, Hiroya Tsuji, Yasumasa Kaji, Keiichiro Banzai, Takeshi Sawada: Engine-motor hybrid vehicle control apparatus and method having engine performance Lessening compensation. Denso Corporation, Pillsbury Madison & Sutro, July 31, 2001: US06269290 (52 worldwide citation)

In an engine-motor hybrid vehicle, vehicle drive regions are divided into a plurality of groups specified by a plurality of operation state variables. A learning variable set for each drive region is updated according to an amount of a power state of an engine, when the vehicle is in a steady state ...


6
Tatsuru Morioka, Tsuneyuki Egami: Inverter control apparatus. Nippondenso, Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro, March 25, 1997: US05614803 (42 worldwide citation)

In order to reduce distortion of a real-current wave form and to suppress substantial transient fluctuation of the current and torque during changeover from a regeneration running condition to the power running condition of a three-phase induction motor, changeover from the three-phase-modulation co ...


7
Tsuneyuki Egami, Hisasi Kawai, Tokio Kohama, Hideki Obayashi: Intake air amount detecting system. Nippon Soken, Cushman Darby & Cushman, May 16, 1978: US04089214 (34 worldwide citation)

An intake air amount detecting system includes a branch pipe disposed in the intake manifold of the engine and having two passages each provided therein with a temperature responsive resistor. One of the two passages is provided with an electric heater and a voltage is applied to the electric heater ...


8
Tsuneyuki Egami, Tomoya Katoh, Jiro Asai: Accessory-driving equipment for an automotive vehicle. Denso Corporation, Oliff & Berridge, March 8, 2005: US06863139 (30 worldwide citation)

Accessory-driving equipment connects an engine having an idle stop system, a motor-generator and an accessory including an air-conditioner compressor that is driven even at a time when the idle stop system is operated. The accessory is driven by the engine when the engine is running and driven by th ...


9
Hisasi Kawai, Tsuneyuki Egami, Tokio Kohama, Hideki Obayashi: Gas flow measuring apparatus. Nippon Soken, Cushman Darby & Cushman, December 8, 1981: US04304129 (30 worldwide citation)

A flow measuring pipe includes therein an electric heater and a temperature dependent resistor positioned downstream of the electric heater. The lines of the electric heater are arranged in a direction to cross the lines of the temperature dependent resistor. If necessary, a flame arrester is furthe ...


10
Kazuyoshi Obayashi, Tsuneyuki Egami, Hiroya Tsuji: Hybrid electric vehicle control apparatus for maximizing vehicle engine operating efficiency. Denso Corporation, Pillsbury Madison & Sutro, January 16, 2001: US06173574 (27 worldwide citation)

A control apparatus for a hybrid electric vehicle that minimizes vehicle fuel-consumption. A fuel consumption coefficient relating to overall efficiency of a hybrid engine is calculated. An engine operating point whereat this fuel-consumption coefficient is optimized is then determined, and the engi ...