Patent Number: 8,573,817

Title: Light device with enhanced flow rate and cooling efficiency and reduced noise and a cooling unit thereof

Abstract: A light device including a housing, a cooling unit and a light emitting unit is disclosed. The housing has an assembly opening and an electrical base. The cooling unit is in the housing and has a heat dissipating seat, a driving member electrically connecting with the electrical base, and a fan wheel rotatably coupled with the driving member. The heat dissipating seat has a lateral wall coupled with the housing, an inner air channel formed in the lateral wall, a base portion arranged in the inner air channel for the driving member to be mounted, and at least one through hole penetrating the base portion and communicating with the inner air channel. The light emitting unit is coupled with the heat dissipating seat and electrically connects with the electrical base. An outer air channel is formed between the lateral wall and the housing.

Inventors: Fang; I-Le (Kaohsiung, TW)

Assignee: Sunonwealth Electric Machine Industry Co., Ltd.

International Classification: F21V 29/00 (20060101); F21V 29/02 (20060101); H01J 61/52 (20060101); H01L 33/64 (20100101)

Expiration Date: 1/05/12017