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. 18, 2005
Filed:
Jan. 31, 2002
Eric S. Phanco, Decatur, IL (US);
Kenneth J. Rawski, Charleston, IL (US);
William H. Ward, Mahomet, IL (US);
Eric S. Phanco, Decatur, IL (US);
Kenneth J. Rawski, Charleston, IL (US);
William H. Ward, Mahomet, IL (US);
Hydro-Gear Limited Partnership, Sullivan, IL (US);
Abstract
An expansion chamber for a hydrostatic transaxle to provide for expansion of the hydraulic oil during operation of the transaxle, where the expansion chamber is formed as part of the housing inside the main sump by ribs or other members extending from the housing and is closed by a cap to form a sealed chamber. A siphon tube may be secured to the cap or integrally formed therein, or formed by additional cast ribs or similar features formed into the housing and also sealed by the cap.