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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0507474 (1983-06-24) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 4 인용 특허 : 3 |
Automatic damper means having damper blades rotatably mounted in an adjustable housing, said blades being rotatable between open and closed positions by electrically energized motor means and attaching rotating means; interchangeability of said rotating means connecting to damper blades provide for
Automatic damper means, having speed changing means controlling and regulating the flow of a heating/cooling medium through a duct network; said duct network attaching to heating/cooling means having fuel control means, said fuel control means and said damper means being simultaneously controlled by
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