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:
Aug. 18, 2020

Filed:

Oct. 17, 2016
Applicant:

Waymo Llc, Mountain View, CA (US);

Inventors:

Rahim Pardhan, San Francisco, CA (US);

William McCann, San Francisco, CA (US);

Drew Ulrich, San Francisco, CA (US);

Pierre-yves Droz, Los Altos, CA (US);

Assignee:

Waymo LLC, Mountain View, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 3/04 (2006.01); H01S 3/067 (2006.01); G01S 7/481 (2006.01); G01S 17/931 (2020.01);
U.S. Cl.
CPC ...
H01S 3/0405 (2013.01); G01S 7/4813 (2013.01); G01S 7/4817 (2013.01); G01S 17/931 (2020.01); H01S 3/067 (2013.01);
Abstract

An example apparatus may include a first plate having a first side. A first plurality of fins may be integral with the first side of the first plate and protruding perpendicularly therefrom. The first plurality of fins may be arranged in first concentric circles separated radially by a first distance. The apparatus may also include a second plate having a first side. The second plate may be rotatably coupled to the first plate. A second plurality of fins may be integral with the first side of the second plate and protruding perpendicularly therefrom. The second plurality of fins may be arranged in second concentric circles separated radially by the first distance. Each fin of the second plurality of fins may interpose between adjacent fins of the first plurality of fins to transfer heat between the second plate and the first plate.


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