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Hydraulic control system for automatic transmission of multiple clutch type which prevents two clutches from being simultaneously engaged 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F16D-048/02
출원번호 US-0833739 (1997-04-09)
우선권정보 JP-0093918 (1996-04-16)
발명자 / 주소
  • Abe Akiharu,JPX
  • Kuramochi Kojiro,JPX
  • Kinoshita Masafumi,JPX
  • Habuchi Ryoji,JPX
출원인 / 주소
  • Toyota Jidosha Kabushiki Kaisha, JPX
대리인 / 주소
    Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보 피인용 횟수 : 15  인용 특허 : 7

초록

A hydraulic control system for an automatic transmission of multiple clutch type, in which a switchover valve (2 in FIG. 4) for switching-over clutch control pressures includes two spool valvules (4 and 6). When one of two clutches (C1 and C2) is supplied with the clutch control pressure and is held

대표청구항

[ What is claimed is:] [1.] A hydraulic control system for an automatic transmission having at least two power transmission shafts, and clutches which are engageable in response to application of a hydraulic pressure thereto to selectively connect one of the power transmission shafts to a power tran

이 특허에 인용된 특허 (7)

  1. Kato Nobuyuki (Toyota JPX) Habuchi Ryoji (Aichi JPX) Morisawa Kunio (Toyota JPX) Itoh Hiroshi (Toyota JPX), Apparatus for controlling hydraulically operated clutch in vehicle transmission system, including two valves for engagin.
  2. Kato Nobuyuki (Toyota JPX) Kubo Seitoku (Toyota JPX) Kouno Katsumi (Toyota JPX) Abe Tetsuya (Toyota JPX) Itoh Hiroshi (Toyota JPX) Morisawa Kunio (Toyota JPX) Habuchi Ryoji (Aichi JPX), Hydraulic control apparatus for belt-and-pulley type continuously variable transmission, incorporating fail-safe protect.
  3. Tabata Atsushi (Okazaki JPX) Hojo Yasuo (Nagoya JPX) Kaigawa Masato (Toyota JPX) Kimura Hiromichi (Okazaki JPX) Kono Katsumi (Toyota JPX) Habuchi Ryoji (Aichi-ken JPX) Fukatsu Akira (Anjo JPX) Ando M, Hydraulic control apparatus for controlling an engaging state of a lock-up clutch of an automatic transmission.
  4. Itoh Hiroshi (Toyota JPX) Sugaya Masami (Susono JPX) Soga Yoshinobu (Susono JPX) Morisawa Kunio (Toyota JPX) Habuchi Ryoji (Aichi JPX) Kouno Katsumi (Toyota JPX) Hattori Yuji (Susono JPX), Hydraulic control apparatus for vehicle power transmitting system having continuously variable transmission.
  5. Itoh Hiroshi (Toyota JPX) Morisawa Kunio (Toyota JPX) Habuchi Ryoji (Aichi JPX) Sugaya Masami (Susono JPX) Soga Yoshinobu (Susono JPX), Hydraulic control apparatus for vehicle power transmitting system having fluid coupling incorporating lock-up clutch.
  6. Kato Nobuyuki (Toyota JPX) Habuchi Ryoji (Miyoshi JPX) Morisawa Kunio (Toyota JPX) Itoh Hiroshi (Toyota JPX), Hydraulic control apparatus for vehicle transmission system, incorporating valves for reverse inhibit valve.
  7. Wakahara Tatsuo (Kanagawa JPX), Hydraulic control device for an automatic transmission having a shift valve and a control valve coaxially aligned in a v.

이 특허를 인용한 특허 (15)

  1. Godecke, Tobias, Automatic gearbox having a control device for selecting a gearbox driving position.
  2. Lutz Leimbach DE; Reiner Voss DE; Thomas Wirth DE; Andreas Ratte DE, Automatic transmission.
  3. Kazuo Okada JP; Shouji Asatsuke JP; Hiromitsu Ishibashi ; Shoichi Tanizawa JP; Shinichi Nishio JP; Tetsuya Mochizuki JP, Control apparatus for hydraulically-operated vehicular transmission.
  4. Gierer, Georg; Schmidt, Thilo; Herrmann, Markus, Device for the control at least of a hydraulically operable switching element of an automatic transmission.
  5. Gierer, Georg; Schmidt, Thilo; Herrmann, Markus, Device for the control at least of a hydraulically operable switching element of an automatic transmission.
  6. Ruedle,Harald, Double clutch transmission.
  7. Leising, Maurice B; Dourra, Hussein A, Double-downshift gear strategy for a dual clutch automatic transmission.
  8. Hagelskamp, Bryan, Electro-hydraulic failure recovery control for dual clutch transmission.
  9. Hagelskamp, Bryan, Electro-hydraulic failure recovery control for dual clutch transmission.
  10. Petrzik,Gunther; Ruehle,Guenter; Neuner,Josef, Hydraulic circuit and method for controlling said circuit.
  11. Arimoto Takashi,JPX, Hydraulic circuit for controlling an automatic transmission.
  12. Richard G. Reed, Jr. ; Jeffrey P Cherry, Method of controlling a transmission having a dual clutch system.
  13. Ichikawa, Shinya; Kojima, Kazuki; Hyodo, Yoshimitsu; Makino, Koji; Tsuchida, Kenichi, Range switching device.
  14. Hosono, Kiyohito, Transmission.
  15. Berger,Reinhard; Wuhrer,Alexander, Twin-clutch gearbox and method for controlling at least two clutches in a twin-clutch gearbox of a motor vehicle.
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