US 12,168,981 B2
Air cooling system for electronic spinning assembly
Rutvik Acharya, San Jose, CA (US); Simon Ellgas, San Jose, CA (US); and Benjamin Chen, San Francisco, CA (US)
Assigned to Waymo LLC, Mountain View, CA (US)
Filed by Waymo LLC, Mountain View, CA (US)
Filed on Aug. 3, 2023, as Appl. No. 18/364,741.
Application 18/364,741 is a continuation of application No. 18/063,754, filed on Dec. 9, 2022, granted, now 11,781,549.
Prior Publication US 2024/0191715 A1, Jun. 13, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F04D 1/00 (2006.01); B60H 1/00 (2006.01); F01D 25/28 (2006.01)
CPC F04D 1/00 (2013.01) [B60H 1/00271 (2013.01); B60H 1/00521 (2013.01); F01D 25/28 (2013.01); B60H 2001/003 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A device comprising:
a plurality of vanes coupled to a static base;
a vane cover rotatably coupled to the static base, wherein the vane cover comprises:
at least one air inlet;
at least one air duct extending from the vane cover, wherein the at least one air duct comprises an inlet and an outlet, wherein the outlet is configured to direct an airflow toward an electronic spinning assembly; and
at least one choke point disposed in the vane cover, wherein the at least one choke point is configured to increase a pressure of the airflow.