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:
Nov. 25, 2008
Filed:
Feb. 23, 2005
Takao Fukunaga, Yawata, JP;
Yasunori Kunisaki, Osaka, JP;
Takao Fukunaga, Yawata, JP;
Yasunori Kunisaki, Osaka, JP;
Exedy Corporation, Osaka, JP;
Abstract
A torque converteris a device for transmitting torque by fluid, and includes a front cover, an impeller, a turbine, and a stator. The impeller, the turbineand the statorconstitute a fluid operating chamberhaving a torus shape. Flattening (L/D1) is less than or equal to 0.18, wherein D1 is an outer diameter of the fluid operating chamberand L is the axial direction length of the fluid operating chamber. In the impeller shell, a surfaceon which the impeller bladesare fixed has an impeller straight portionshowing a straight line in a cross section. In the turbine shell, a surfaceon which the turbine bladesare fixed has a turbine straight portionshowing a straight line in a cross section.