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:
Sep. 20, 2016
Filed:
Apr. 12, 2012
Xiaogang Yi, Changsha, CN;
Songqing LI, Changsha, CN;
Qiang Chen, Changsha, CN;
Hunan Sany Intelligent Control Equipment Co., Ltd., Changsha, CN;
Sany Heavy Industry Co., Ltd., Changsha, CN;
Abstract
The present invention provides a power gear-shifting transmission and an engineering machinery. The power gear-shifting transmission comprises a clutch shaft assembly (). The clutch shaft assembly () comprises a clutch shaft (), a housing gear () arranged on the clutch shaft (), a clutch disc () arranged within the housing gear (), and a gear-shifting piston () arranged at one end of the clutch disc (). The gear-shifting piston () is pushed by a clear hydraulic medium introduced via a fluid supply passage (); the clean hydraulic medium is supplied by a hydraulic system (). The engineering machinery comprises the power gear-shifting transmission.