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Title:
HYDRAULIC CIRCUIT OF AUTOMATIC TRANSMISSION
Document Type and Number:
Japanese Patent JP2019148296
Kind Code:
A
Abstract:
To prevent fastening delay or fastening shock of a start clutch in next vehicle drive due to grease cutting.SOLUTION: A hydraulic circuit 12 constitutes a hydraulic circuit of an automatic transmission that supplies oil, adjusted by a clutch solenoid valve 124, to a forward clutch FWD/C that is a start clutch via a manual valve 125. The manual valve 125 is installed in the air, and the hydraulic circuit 12 comprises a hydraulic pressure adjustment valve 130 that supplies oil of a setting pressure to a drain oil passage 128 of the clutch solenoid valve 124.SELECTED DRAWING: Figure 1

Inventors:
KOTSUJI KOUICHI
KATO TAKESHI
Application Number:
JP2018033108A
Publication Date:
September 05, 2019
Filing Date:
February 27, 2018
Export Citation:
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Assignee:
JATCO LTD
NISSAN MOTOR
International Classes:
F16H61/00; F16D25/12
Attorney, Agent or Firm:
Goto Patent Office