发明名称 |
GERAET ZUR ERZEUGUNG EINES KALIBRIERTEN GASDRUCKS. |
摘要 |
Apparatus for providing a calibrated gas pressure comprising a piston mounted within a cylinder, there being provided a gap between adjacent walls of the piston and cylinder, the cylinder being generally closed at one end so as to provide a closed chamber, the closed chamber including an outlet for gas at a calibrated pressure and a variable outlet valve, a gas inlet being provided in the wall of the cylinder adjacent to the position of the piston, and the piston including means for engagement with a force measuring means, whereby gas, in use, is supplied to the gas inlet and passes to the chamber to provide a calibrated gas pressure within the chamber, the pressure being measured by means of the force measuring apparatus. |
申请公布号 |
DE3767587(D1) |
申请公布日期 |
1991.02.28 |
申请号 |
DE19873767587 |
申请日期 |
1987.06.30 |
申请人 |
FURNESS CONTROLS LTD., BEXHILL ON SEA, WEST SUSSEX, GB |
发明人 |
FURNESS, JOSEPH TERENCE, COODEN, EAST SUSSEX, GB;ROSENBERG, HENRI, HASTINGS, EAST SUSSEX, GB |
分类号 |
G01L27/00;G05D16/00 |
主分类号 |
G01L27/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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