发明授权
- 专利标题： Thermostat construction and method of making the same
- 专利标题（中）： 恒温器结构及其制作方法
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申请号： US864674申请日： 1977-12-27
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公开(公告)号： US4192453A公开(公告)日： 1980-03-11
- 发明人: Alfred A. Frankenberg
- 申请人： Alfred A. Frankenberg
- 申请人地址： VA Richmond
- 专利权人： Robertshaw Controls Company
- 当前专利权人： Robertshaw Controls Company
- 当前专利权人地址： VA Richmond
- 主分类号： G05D23/185
- IPC分类号： G05D23/185 ; G05D23/08
摘要：
A thermostat construction for producing a pneumatic signal in relation to sensed temperature and having a housing provided with a pneumatically operated set point adjustment diaphragm operatively interconnected to a temperature sensor and a pneumatically operated feedback diaphragm to control a valve unit for producing the pneumatic signal in an output chamber of the housing that is defined in part by the feedback diaphragm, a balancing diaphragm being carried by the housing and also defining in part the output chamber thereof.
公开/授权文献
- US5794746A Door sill arrangement in an elevator car 公开/授权日：1998-08-18