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:
Apr. 30, 1991
Filed:
Dec. 14, 1989
Applicant:
Inventors:
Etsuo Ogami, Yokohama, JP;
Yoshio Iwasa, Nagareyama, JP;
Assignee:
Nissan Motor Company, Ltd. of No. 2, Yokohama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ; F02F / ;
U.S. Cl.
CPC ...
123 9031 ; 1231 / ; 1231 / ;
Abstract
In a DOHC engine, a sprocket chamber is formed at the cylinder head at one end thereof, and formed with a lateral opening. A timing chain drivingly interconnects a crankshaft and an idler gear, whereas a camshaft driving chain drivingly interconnects the idler gear and a pair of cam sprockets. A first tensioner is mounted to a cylinder block for adjusting the tension of the timing chain, whereas a second tensioner is mounted to the sprocket chamber for adjusting the tension of the camshaft driving chain. There are provided means for defining an access to the first tensioner.