The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 1981
Filed:
Aug. 11, 1978
Sadanori Nishimura, Omiya, JP;
Yoji Yamada, Kawagoe, JP;
Honda Giken Kogyo Kabushiki Kaisha, Shibuya, JP;
Abstract
An automatic transmission comprising a plurality of speed-change hydraulic clutches selectively operated in dependence of various speeds separately carried by an input shaft and an output shaft, and wherein working oil is supplied from a hydraulic oil source to the hydraulic clutches through (a) fixed oil passages provided in a casing, (b) conduction pipes arranged in coaxially spaced relation within one another in a central bore in the input shaft and/or the output shaft, and (c) communicating passages formed in the input shaft and/or output shaft and connected to the hydraulic clutches. The conduction pipes are respectively connected at one end with the fixed oil passages in a fixed or pivotal manner and at the other end with the communicating passages with seals arranged between the outer peripheries thereof and the inner periphery of the bore in the shaft.