[특허]Hydraulic pressure supply apparatus for automatic transmission

Hydraulic pressure supply apparatus for automatic transmission 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16H-059/00 F16H-061/00 F16H-063/00 F16H-009/00 F15B-015/20
출원번호	US-0108506 (2013-12-17)
등록번호	US-9255589 (2016-02-09)
우선권정보	JP-2012-280148 (2012-12-21)
발명자 / 주소	Kanehara, Shigeru Fujikawa, Atsushi
출원인 / 주소	HONDA MOTOR CO., LTD.
대리인 / 주소	Squire Patton Boggs (US) LLP
인용정보	피인용 횟수 : 0 인용 특허 : 55

초록 ▼

In a hydraulic pressure supply apparatus for an automatic transmission having hydraulic pressure supply destinations comprising at least three hydraulic actuators different from one another in required hydraulic pressure and a lubrication system, there are provided with at least three, actually five, hydraulic pumps, at least three, actually five, regulator valves capable of regulating hydraulic pressures delivered from the hydraulic pumps to values corresponding to the respective required pressures to be supplied to the hydraulic pressure supply destinations, and the selector valves installed between the hydraulic pumps and the regulator valves, wherein the operation of the selector valves is controlled to connect the hydraulic pumps to the regulator valves in accordance with the flow rates required by five hydraulic pressure supply destinations comprising the hydraulic actuators and the lubrication system.

대표청구항 ▼

1. A hydraulic pressure supply apparatus for an automatic transmission having hydraulic pressure supply destinations comprising at least three hydraulic actuators different from one another in required hydraulic pressure and a lubrication system, comprising: at least three hydraulic pumps connected to a prime mover and installed in oil passages connecting the hydraulic pressure supply destinations and a reservoir, to pump hydraulic oil from the reservoir and deliver it to the oil passages when driven by the prime mover;at least three regulator valves installed in the oil passages to be capable of regulating the hydraulic pressures delivered from the hydraulic pumps to values corresponding to the respective required hydraulic pressures and delivering them to the hydraulic pressure supply destinations;selector valves installed in the oil passages at locations between the hydraulic pumps and regulator valves; anda controller that controls operation of the selector valves so as to connect the hydraulic pumps to the regulator valves in accordance with required flow rates of the hydraulic pressure supply destinations. 2. The apparatus according to claim 1, wherein the controller controls the operation of the selector valves so as to connect the hydraulic pumps to the regulator valves by determining the pump to be assigned to the destination requiring a highest flow rate, and then by determining the pumps to be assigned to the destinations consecutively requiring a next highest flow rate. 3. The apparatus according to claim 1, wherein the hydraulic pumps comprise fixed-delivery pumps that are different from one another in delivery capacity. 4. The apparatus according to claim 3, wherein the fix-delivery pumps are communicated with all of the regulator valves through the selector valves to establish mutually different capacities. 5. The apparatus according to claim 3, wherein the delivery capacities of the hydraulic pumps are represented by multiplying a predetermined unit by an integer composed of a prime number. 6. The apparatus according to claim 1, wherein the hydraulic pumps comprise variable delivery pumps. 7. The apparatus according to claim 6, further including: sub regulator valves installed in the oil passages at locations downstream of the regulator valves to be capable of additionally regulating the hydraulic pressures to be delivered to the hydraulic pressure supply destinations. 8. The apparatus according to claim 1, wherein a number of the hydraulic pumps is the same as the number of the regulator valves. 9. The apparatus according to claim 1, wherein the hydraulic pumps comprise fixed-delivery pumps and variable delivery pumps. 10. The apparatus according to claim 1, wherein the automatic transmission comprises a continuously variable transmission connected to the prime mover through a torque converter and connected to drive wheels through a forward-reverse switching mechanism, while the hydraulic pressure supply destinations are constituted by at least drive/driven pulleys of the continuously variable transmission, a forward clutch of the forward-reverse switching mechanism, a lock-up clutch of the torque converter, and the lubrication system. 11. The apparatus according to claim 10, wherein the hydraulic pressure supply destinations are divided into at least three groups made up of a first group comprising the drive/driven pulleys of the continuously variable transmission, a second group comprising the forward clutch of the forward-reverse switching mechanism and the lock-up clutch of the torque converter, and a third group comprising the lubrication system.

이 특허에 인용된 특허 (55)

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Abo Keiju,JPX ; Yamamoto Masahiro,JPX ; Sato Osamu,JPX ; Suzuki Hideaki,JPX, Electronic transmission control system for automotive vehicle with continuously variable automatic transmission.
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Abo Keiju,JPX ; Yamamoto Masahiro,JPX ; Sato Osamu,JPX ; Suzuki Hideaki,JPX, Electronic transmission control system for automotive vehicle with continuously variable automatic transmission.
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Sen, Mehmet-Fatih; Spiess, Ewald; Senger, Karl-Heinz; Luh, Joachim; Baeuerle, Peter, Emergency hydraulic control for adjusting a constant clamping force ratio with regard to a continuously variable transmission.
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Spiess Ewald,DEX ; Luh Joachim,DEX ; Baeuerle Peter,DEX, Emergency hydraulic control with control valves for continuously variable transmission.
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Aoki Takashi (Fujimi JPX) Hanyu Keiichi (Iruma-gun JPX) Kajikawa Kaoru (Kokubunji JPX) Urano Junji (Sayama JPX), Failsafe control apparatus for belt-type continuously variable transmission.
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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.
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Nobu,Hisao, Hydraulic control apparatus for vehicle with belt-drive continuously variable transmission.
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Luh, Joachim; Van Wijk, Wilhelmus Johannes Maria, Hydraulic control for a continuously variable transmission.
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Ochiai,Tatsuo; Wakayama,Hideshi, Hydraulic control system and method for belt-drive continuously variable transmission.
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Kawamoto Mutsumi (Nagoya JPX), Hydraulic control system for a belt drive continuously-variable speed transmission.
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Kouno Katsumi (Susono JPX) Sawada Daisaku (Gotenba JPX), Hydraulic control system for continuously variable transmission.
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Sawada Daisaku (Gotenba JPX) Sugaya Masami (Susono JPX) Imai Ryuji (Toyota JPX) Soga Yoshinobu (Susono JPX), Hydraulic control system for continuously variable transmission.
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Kouno Katsumi (Susono JPX) Okawa Susumu (Aichi JPX) Sugaya Masami (Susono JPX) Soga Yoshinobu (Susono JPX), Hydraulic control system for continuously variable transmission for automotive vehicle.
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Kouno Katsumi (Susono JPX) Okawa Susumu (Aichi JPX) Sugaya Masami (Susono JPX) Soga Yoshinobu (Susono JPX), Hydraulic control system for continuously variable transmission for automotive vehicle.
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Sugaya Masami (Susono JPX) Kouno Katsumi (Susono JPX) Soga Yoshinobu (Susono JPX) Okawa Susumu (Aichi JPX), Hydraulic control system for continuously variable transmission for automotive vehicle.
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Itoh Hiroshi (Toyota JPX) Hiramatsu Shigeki (Okazaki JPX) Takada Mitsuru (Toyota JPX) Tamura Tadashi (Toyota JPX), Method and apparatus for controlling hydraulically-operated continuously variable transmission of belt-and-pulley type.
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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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Hydraulic pressure supply apparatus for automatic transmission 원문보기

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Hydraulic pressure supply apparatus for automatic transmission 원문보기

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