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:
Feb. 18, 2025
Filed:
Sep. 15, 2022
Seiko Epson Corporation, Tokyo, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
An optical element unit according to an aspect of the present disclosure includes an optical element wheel that includes a heat dissipation member provided at one surface of a wheel substrate, a housing including an outer circumferential wall that covers the outer circumference of the optical element wheel, and an opening formed at part of the outer circumferential wall, the housing capable of housing the optical element wheel, a first duct which is provided at the opening of the housing and via which the airflow generated by the optical element wheel is exhausted out of the housing, a heat exchanger which is disposed at the outlet of the first duct and to which the airflow exhausted via the outlet flows, and a second duct that guides the airflow having flowed through the heat exchanger to the heat dissipation member of the optical element wheel.