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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0401668 (1982-07-26) |
우선권정보 | DE-3129663 (1981-07-28) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 3 |
A pneumatic timer has a bellows with a space inside it joined up with the outside atmosphere by way of an adjustable choke. For starting a timing operation, the bellows is compressed by a pneumatic actuator which is then automatically moved back so that the bellows\speed of motion back into its star
A pneumatic timer having a housing, a bellows supported by said housing and able to be changed in length along a bellows axis with a change in the amount of air within a space in the said bellows, a spring for causing a change in length of said bellows with motion thereof along said axis, an air val
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