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.:

US 9093868 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 28, 2015

Filed:

Apr. 22, 2013
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventor:

Richard Baxter, Stowmarket, GB;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 9/06 (2006.01); A01D 34/00 (2006.01); A01D 69/02 (2006.01);
U.S. Cl.
CPC ...
H02K 9/06 (2013.01); A01D 34/008 (2013.01); A01D 69/02 (2013.01);
Abstract

The present disclosure relates to an airflow management system, particularly for a lawn mower, especially a robotic lawn mower. A battery-operated robotic lawn mower has an active airflow management system that includes at least one first air vent positioned on an underside of the mower, at least one second air vent, an internal housing surrounding a motor, a fan, and at least one cooling air channel located within the housing and around said motor. An air flow path is defined between the first and the second vents, and the at least one second vent has a lower air flow capacity than an air flow capacity of the at least one cooling air channel such that, in operation, a greater volume of air is drawn through the first vent than the second.


Find Patent Forward Citations

Baxter, Richard. (2015). Airflow management (U.S. Patent No. 9093868). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9093868

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