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:
May. 03, 2022

Filed:

Oct. 23, 2019
Applicant:

Carrier Corporation, Palm Beach Gardens, FL (US);

Inventors:

Mingyan Zu, Hebei, CN;

Zhanlin Yang, Hebei, CN;

Zhihua Gao, Hebei, CN;

Assignee:

CARRIER CORPORATION, Palm Beach Gardens, FL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 17/107 (2006.01); G08B 17/113 (2006.01); G08B 29/04 (2006.01); G08B 29/18 (2006.01);
U.S. Cl.
CPC ...
G08B 17/107 (2013.01); G08B 17/113 (2013.01); G08B 29/04 (2013.01); G08B 29/18 (2013.01);
Abstract

A smoke detector includes: a housing; a sensing chamber in the housing, wherein in the sensing chamber, a first light emitter and a first light receiver that are disposed at the periphery of the sensing chamber and facing a middle portion of the sensing chamber are included, a first baffle is included in the sensing chamber, the first baffle is disposed adjacent to the first light emitter and includes a baffle body and a branch portion, the baffle body extends from the periphery of the sensing chamber toward the middle portion, and the branch portion comprises a plurality of sub-baffles branching off the baffle body; and a circuit board electrically connected to the first light emitter and the first light receiver respectively.


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