Invention Grant
- Patent Title: Positive temperature co-efficient heating element assembly and appliance incorporating the heating element assembly
- Patent Title (中): 正温度高效加热元件组件和装有加热元件组件的器具
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Application No.: US12718245Application Date: 2010-03-05
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Publication No.: US08405008B2Publication Date: 2013-03-26
- Inventor: Cheuk Fu Leung
- Applicant: Cheuk Fu Leung
- Applicant Address: HK Chaiwan
- Assignee: Simatelex Manufactory Co. Ltd.
- Current Assignee: Simatelex Manufactory Co. Ltd.
- Current Assignee Address: HK Chaiwan
- Agency: Leydig, Voit & Mayer, Ltd.
- Main IPC: H05B3/02
- IPC: H05B3/02
Abstract:
A heating element for an electrical appliance, such as an electric razor. The element has a hollow metallic sleeve having first and second sides. The first side of the sleeve has greater thermal mass than the second side of the sleeve. A positive temperature coefficient ceramic element is located within the sleeve and held in thermal contact with the sleeve by a compressed portion of the sleeve.
Public/Granted literature
- US20110215082A1 POSITIVE TEMPERATURE CO-EFFICIENT HEATING ELEMENT Public/Granted day:2011-09-08
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