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:
Jan. 16, 2001
Filed:
Sep. 29, 1998
Hideki Nakayoshi, Aichi-ken, JP;
Naoki Kira, Aichi-ken, JP;
Takuya Niimi, Aichi-ken, JP;
Hidefumi Konakawa, Aichi-ken, JP;
Aisin Seiki Kabushiki Kaisha, Aichi-pref., JP;
Abstract
A valve timing control device comprising, a cam shaft assembled within an engine, a rotational transmitting member having a concave portion, which is mounted around the cam shaft to rotate relative thereto within a predetermined range for transmitting a rotational power from a crank pulley, vanes provided on the cam shaft, fluid chambers formed between the cam shaft and the concave portion, which are separated into advancing and delaying chambers by the vanes, a fluid supplying means for supplying fluid under pressure to a selected one of the advancing and delaying chambers, and a stopper located between a radially inner portion of a side wall of the concave portion and the vane to restrict rotate relative between the rotational transmitting member and the cam shaft.