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:
Sep. 17, 2002
Filed:
Jun. 19, 2000
Jim K. Carroll, Peoria, IL (US);
Delbert L. Kramer, Metamora, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A fan assembly with an improved seal for a mobile machine cooling system is disclosed. A housing is mounted to a machine structure and an impeller is mounted for rotation with respect to the housing. The impeller includes a plurality of rotating blades supported on a flange. A fan inlet is mounted with the housing and directs air toward the blades. A rotating shroud extends outwardly from the impeller flange and has a shroud inlet that extends into the fan inlet to form a seal between the fan inlet and the shroud inlet. The method and apparatus includes forming the seal between the fan inlet and the rotating shroud to prevent leakage as the rotating blades generate a centrifugal airflow for discharge through a fan outlet.