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.

Date of Patent:
Nov. 04, 2008

Filed:

Sep. 27, 2005
Applicants:

Yukihisa Tsuzuki, Kariya, JP;

Takao Fukunaga, Kawata, JP;

Tomohiro Tasaka, Kawanishi, JP;

Inventors:

Yukihisa Tsuzuki, Kariya, JP;

Takao Fukunaga, Kawata, JP;

Tomohiro Tasaka, Kawanishi, JP;

Assignees:

Aisin Seiki Kabushiki Kaisha, Kariya-shi, Aichi-ken, JP;

EXEDY Corporation, Neyagawa-shi, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 33/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A torque converter includes: a impeller having an outer shell, an inner core, and at least one pump blade provided between the outer shell and the inner core; a turbine having at least one turbine blade; and a stator capable of establishing a fluid circulation between the impeller and the turbine. An exit angle of the at least one pump blade is greater than −90 degrees up to −68 degrees at the most, beginning from a first point, at which the at least one pump blade is in contact with the outer shell, to a second point, at which the at least one pump blade is in contact with the inner core.


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