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:
Aug. 02, 2022
Filed:
Dec. 14, 2018
Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;
Xin Li, Jiangsu, CN;
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
A camshaft phase adjuster, which includes first and second oil holes and a locking pin hole formed in the rotor inner core, the first oil hole connecting an engine fluid passage and the first chamber, the second oil hole connecting the first and second chambers, and the first and second oil holes both passing through the locking pin hole. The locking pin is switchable between first and second positions. A one-way valve is provided at the second oil hole; when the locking pin is in the first position, the first oil hole is unblocked, the one-way valve is switched off and the second oil hole is blocked; and in the second position, the first oil hole is blocked, the one-way valve is switched on, and the second oil hole is unblocked. This allows an intermediate locking function.