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. 29, 2026
Filed:
Jul. 29, 2024
Weichai Power Co., Ltd., Weifang, CN;
WEICHAI POWER CO., LTD., Weifang, CN;
Abstract
A valve lift conversion control mechanism includes a hydraulic transmission device that includes at least two device bodies, a check valve and a solenoid valve. The device bodies are in communication with each other through an oil circuit. The solenoid valve is configured to supply oil to the oil circuit through the check valve. The second device body is configured to be pressed downwards by a second rocker arm to be driven to press the oil in the oil circuit to increase an oil pressure, and a first device body is configured to press a first valve controlled by a first rocker arm downwards under the increased oil pressure in the oil circuit. The valve system of the engine includes the valve lift conversion control mechanism.