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:
Mar. 18, 1986
Filed:
May. 10, 1985
Applicant:
Inventors:
Assignee:
Nissan Motor Co., Ltd., Yokohama City, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9015 ; 123 9027 ; 123 9031 ;
Abstract
A first timing belt transmits rotation of a crankshaft to an exhaust valve operating camshaft whose rotation is in turn transmitted through a second timing belt to an intake valve operating camshaft. A pair of adjusting pulleys are provided which is brought into contact with a tension side section and a slack side section of the second timing belt and movable in unison with each other toward and away from the timing belt sections to vary the lengths of same and thereby vary the phase of the intake valve operating camshaft relative to the exhaust valve operating camshaft in accordance with operating conditions of the engine.