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:
May. 23, 2023
Filed:
Mar. 13, 2020
Mazda Motor Corporation, Hiroshima, JP;
Narihito Hongawara, Aki-gun, JP;
Takuya Sugisawa, Aki-gun, JP;
Keitaro Kageyama, Aki-gun, JP;
Satoshi Fujikawa, Aki-gun, JP;
Hiroki Tanabe, Aki-gun, JP;
Shingo Kodama, Aki-gun, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
The powertrain device for a vehicle includes an engine and an automatic transmission, the automatic transmission includes a plurality of friction fastening elements for selectively switching motive power transmitting paths, a predetermined friction fastening element among the plurality of friction fastening elements is a travel-start friction fastening element performing slip control in a travel start, and the powertrain device includes, between the engine and the automatic transmission, a motive power connection-disconnection clutch which is released at least in an engine start and is fastened earlier than the travel-start friction fastening element in a travel start of the vehicle.