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1. (WO2014192277) HYDRAULIC CONTROLLER FOR AUTOMATIC TRANSMISSION
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2014/192277 International Application No.: PCT/JP2014/002755
Publication Date: 04.12.2014 International Filing Date: 26.05.2014
IPC:
F16H 61/00 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
H
GEARING
61
Control functions within change-speed- or reversing-gearings for conveying rotary motion
Applicants:
マツダ株式会社 MAZDA MOTOR CORPORATION [JP/JP]; 広島県安芸郡府中町新地3番1号 3-1 Shinchi, Fuchu-cho, Aki-gun, Hiroshima 7308670, JP
Inventors:
佐治 恒士郎 SAJI, Koshiro; null
鎌田 真也 KAMADA, Shinya; null
永井 祥太郎 NAGAI, Shotaro; null
Agent:
特許業務法人 有古特許事務所 PATENT CORPORATE BODY ARCO PATENT OFFICE; 兵庫県神戸市中央区東町123番地の1 貿易ビル3階 3rd Fl., Bo-eki Bldg., 123-1, Higashimachi, Chuo-ku, Kobe-shi, Hyogo 6500031, JP
Priority Data:
2013-11202328.05.2013JP
Title (EN) HYDRAULIC CONTROLLER FOR AUTOMATIC TRANSMISSION
(FR) CONTRÔLEUR HYDRAULIQUE POUR TRANSMISSION AUTOMATIQUE
(JA) 自動変速機の油圧制御装置
Abstract:
(EN) A configuration in which a first speed is formed by coupling an LR brake (60) and a low clutch (40), a third speed is formed by coupling the low clutch (40) and an R35 brake (80), and a reverse speed is formed by coupling the LR brake (60) and the R35 brake (80), wherein a cut-back valve (121) is provided, said cut valve switching between a first state in which a source pressure port of a third linear SV (113) that controls the oil pressure transmitted to the R35 brake (80) is connected to a hydraulic source, and a second state in which the pressure in the source pressure port is discharged. The configuration is configured in such a manner that when shifting from the third speed to the first speed, the cut-back valve (121) switches to the second state if the oil pressure transmitted to the low clutch (40) is less than a prescribed oil pressure.
(FR) L'invention concerne une configuration dans laquelle une première vitesse est formée en couplant un frein LR (60) et un embrayage bas (40), une troisième vitesse est formée en couplant l'embrayage bas (40) et un frein R35 (80), et une marche arrière est formée en couplant le frein LR (60) et le frein R35 (80), une soupape de retour (121) étant prévue, ladite soupape de retour basculant entre un premier état dans lequel un orifice de pression source d'un troisième SV linéaire (113) qui contrôle la pression d'huile transmise au frein R35 (80) est raccordé à une source hydraulique, et un second état dans lequel la pression dans l'orifice de pression source est déchargée. La configuration est configurée de sorte que, lors du passage de la troisième vitesse à la première vitesse, la soupape de retour (121) passe au second état si la pression d'huile transmise à l'embrayage bas (40) est inférieure à une pression d'huile prescrite.
(JA)  LRブレーキ(60)とロークラッチ(40)の締結によって1速が形成され、ロークラッチ(40)とR35ブレーキ(80)の締結によって3速が形成され、LRブレーキ(60)とR35ブレーキ(80)の締結によって後退速が形成される構成において、R35ブレーキ(80)に供給される油圧を制御する第3リニアSV(113)の元圧ポートを油圧源に接続する第1状態と、該元圧ポートを排圧させる第2状態とに切り換わるカットバルブ(121)を備え、3速から1速への変速時に、前記ロークラッチ(40)に供給されている油圧が所定油圧未満のときに、前記カットバルブ(121)が第2状態となるように構成する。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)