[특허]Controls for clutch, motor and transmission

[미국특허] Controls for clutch, motor and transmission 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60K-021/00 B60K-029/00
출원번호	US-0788549 (1977-04-18)
우선권정보	JP-0044866 (1976-04-19)
발명자 / 주소	Usui Keizaburo (Yokohama JPX) Hayama Isao (Yokohama JPX) Hamada Hideo (Yokosuka JPX) Yamamuro Sigeaki (Yokohama JPX)
출원인 / 주소	Nissan Motor Company, Limited (Yokohama JPX 03)
인용정보	피인용 횟수 : 27 인용 특허 : 1

초록 ▼

A countershaft-type automatic power transmission in which a countershaft gear assembly is operated by a hydraulic control system controlled by electric control means responsive to various operational variables of a vehicle and in which a clutch assembly is operated between the coupled and uncoupled conditions by clutch control valve means which is also controlled by the electric control means, the power transmission further featuring throttle valve control means adapted to move the carburetor throttle valve to a position to produce an idling condition in the engine independently of the accelerator pedal when the clutch assembly is in the uncoupled condition.

대표청구항 ▼

In an automatic countershaft power transmission for an automotive vehicle comprising an internal combustion engine including a mixture supply system having a throttle valve to be operated by an accelerator pedal of the vehicle; a countershaft transmission gear assembly including a transmission input shaft, a transmission mainshaft substantially in line with the input shaft, a transmission counershaft substantially parallel with the mainshaft and a plurality of gears on the transmission input shaft, mainshaft and countershaft and arranged to be capable of producing a neutral gear condition, a plurality of forward-drive gear conditions and at least one reverse-drive gear condition; a clutch assembly disposed between the output shaft of the engine and said transmission input shaft and having a fully coupled condition between the engine output shaft and the transmission input shaft and an uncoupled condition disconnecting the transmission input shaft from the engine output shaft; electrically operated hydraulic control system operatively connected to said transmission gear assembly; gearshift control means operative to actuate said hydraulic control system for selectively producing said neutral, forward-drive and reverse-drive gear conditions depending upon predetermined operational parameters of the vehicle; electrically operated throttle-valve actuating means operative to actuate said throttle valve into an idling position independently of the accelerator pedal of the vehicle; and electric throttle valve control means operative to actuate said throttle-valve actuating means to move the throttle valve into an idling position independently of the accelerator pedal, the improvement comprising fluid-operated clutch actuating means operatively connected to said clutch assembly and having a variable volume control chamber for producing the coupled and uncoupled condition in the clutch assembly when the control chamber is expanded and contracted, respectively, electrically operated clutch control valve means connected to said clutch actuating means, and electric valve control means responsive to preselected operational parameters of the vehicle for controlling the clutch control valve means to continuously vary the volume of said control chamber depending upon said preselected operational parameters, said valve control means, said gearshift control means and said throttle-valve control means being cooperative with each other for actuating said clutch control valve means to contract said control chamber in response to a shift being made between any of said gear conditions, moving said throttle valve into the idling position thereof independently of the accelerator pedal when said clutch control valve means is in a condition establishing the uncoupled condition in said clutch assembly, and producing an upshift between said forward-drive gear conditions when said throttle-valve control means is in a condition having said throttle-valve actuating means actuated and said valve control means is in a condition having the clutch control valve means actuated to produce the uncoupled condition in the clutch assembly under conditions in which the vehicle speed is higher than a predetermined level, said clutch control valve means including a vacuum port communicating with a source of vacuum and communicable with said control chamber for causing the control chamber to contract when communication is provided between the control chamber and said vacuum source through said vacuum port, and a plurality of air ports each communicating with the atmosphere and communicable with said control chamber, the individual air ports having different cross sectional areas and being arranged in series with said control chamber, said valve control means being operative to have said air ports selectively and successively brought into communication with said control chamber for allowing atmospheric air into the control chamber at stepwise variable rates and thereby causing the control chamber to expand at stepwise variable rates so that said clutch assembly is operated from the uncoupled condition to the fully coupled condition at stepwise variable rates.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Toyota Hiroshi (Yokosuka JA) Nagatome Kenji (Yokosuka JA) Kawamoto Tamio (Sagamihara JA), Clutch actuating apparatus controlled by accelerator.
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이 특허를 인용한 특허 (27) 인용/피인용 타임라인 분석

Honma Minoru (Atsugi JPX) Hattori Toshihiro (Ayase JPX) Saito Hideo (Hiratsuka JPX) Ishihara Masaki (Fujisawa JPX), Apparatus for maintaining vehicle braking force.
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Tateno Toshiaki (Yokohama JPX) Fukushima Shigeki (Yokohama JPX) Iwamoto Tomoyuki (Kawasaki JPX) Kijima Nobuo (Tokyo JPX), Automatic transmission apparatus for vehicle.
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Furukawa Tamotsu (Yokohama JPX) Mori Masanori (Aichi JPX), Automatic transmission having hydraulic and electronic control systems.
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Wakiya Michio (Higashimatsuyama JPX) Takefuta Hideyasu (Higashimatsuyama JPX) Kono Hiromi (Higashimatsuyama JPX), Automatic transmission system for vehicles.
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Windsor Harry M. (Harbury GB2), Clutch control system.
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Petzold Werner P. (Harwood Heights IL) Miller Alan L. (Chicago IL), Clutch control system for a continuously variable transmission.
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Albert W. Brown, Continuously variable transmission and method of transferring loads in the same.
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Smit Geoffrey N. (Rancho Palos Verdes CA) Anderson Scott R. (Evergreen Park IL) Tsai Shan-Chin (Arlington Heights IL), Control arrangement for a variable pulley transmission.
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Nishikawa Masao (Tokyo JPX) Hattori Torao (Wako JPX) Aoki Takashi (Wako JPX) Yoshizawa Hiroshi (Kamifukuoka JPX), Control mechanism for selective creep of an automatic transmission.
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Miki Nobuaki (Nagoya JPX) Kawamoto Mutsumi (Nagoya JPX) Amano Hiroyuki (Chiryu JPX) Hida Tsuneo (Toyokawa JPX) Yoshida Tsuyoshi (Toyota JPX), Control of drive train noises during a shift operation of an automatic, variable speed transmission.
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Ishido Hideki (Oota JPX) Tsukagoshi Hiroshi (Oota JPX) Igarashi Katsumasa (Oota JPX) Ushijima Takayuki (Oota JPX) Sakakiyama Ryuzo (Tokyo JPX) Umezawa Mitsuo (Tokyo JPX), Control system for an automatic transmission of a motor vehicle with an antilock brake system.
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Yamamuro, Sigeaki; Kumura, Haruyoshi; Tanaka, Yoshikazu; Abo, Keiju; Hirano, Hiroyuki, Control system for continuously variable transmission with space saving automatic clutch control.
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Pels Thomas,DEX, Drive system for a vehicle and method for operating a drive system.
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Albert W. Brown, Dual Drive continuously variable transmission.
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Brown, Albert W., Dual drive continuously variable transmission.
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Mitchell Randall M. (Washington IL) Bump ; deceased David W. (late of Morton IL by Sandra K. Bump ; executrix) Coffman Michael F. (Metamora IL) Holloway Dwight S. (Chillicothe IL) Johnson Lowell E. (, Electrohydraulic control device for a drive train of a vehicle.
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Harries David Anthony,GBX, Hydraulic actuation system.
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Takada Mitsuru (Toyota JPX) Kuramochi Koujiro (Okazaki JPX) Funahashi Makoto (Toyota JPX), Hydraulic control device in automatic transmission in vehicle equipped with electronic throttle opening control device.
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Brown, Albert W., In-series two chain continuously variable transmission.
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Eike Craig R. ; Stoever Guy T. ; McKee Kevin D., Manifold apparatus for calibrating clutch fill times.
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Smyth Robert R. (Morningside La. Lincoln MA 01773), Mechanical automatic transmission.
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Speranza Donald (Canton MI), Method for controlling AMT system start from stop operation.
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Sakai Shino (Saitama JPX) Nishikawa Masao (Tokyo JPX), Method of controlling creep preventing device for vehicle equipment with automatic transmission.
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Ackermann Fritz (Stuttgart DEX) Schnaibel Eberhard (Hemmingen DEX), Operator-controlled automotive gear or transmission change system.
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Simonyi Sndor (Salgtarjn HUX) Trcsik Lszl (Budapest HUX) Vlczi Gyrgy (Salgtarjn HUX), Process for the gear change of automatic or synchronized mechanic transmission of motor vehicles.
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Hiraiwa Kazuyoshi (Atsugi JPX), Synchromesh transmission suited for use as an automotive automatic transmission.
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Shimizu, Takeo; Hiramatsu, Takeo; Takamiya, Bonnosuke; Fukuchi, Hiroshi, Vehicular automatic speed change gear assembly.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Controls for clutch, motor and transmission 원문보기