Maximum safe speed indicating switch with contact shaped as the speed curve专利检索- .由速度变化操作的开关专利检索查询-专利查询网

Maximum safe speed indicating switch with contact shaped as the speed curve
申请号	US34840264	申请日	1964-03-02	公开(公告)号	US3271542A	公开(公告)日	1966-09-06
申请人	BENDIX CORP;			发明人	HARDEK RICHARD W;
摘要
权利要求	1. AN INSTRUMENT FOR ACTIVATION AT A PREDETERMINED MAXIMUM SPEED OF ITS SPEED SCHEDULE COMPRISING AN INSTRUMENT HOUSING, STATIC PRESSURE RESPONSIVE MEANS MOUNTED WITHIN SAID HOUSING FOR PRODUCING MOVEMENT WITH PRESSURE VARIATIONS INCIDENT TO CHANGES IN AMBIENT PRESSURE, DIFFERENTIAL PRESSURE RESPONSIVE MEANS MOUNTED WITHIN SAID HOUSING FOR PRODUCING MOVEMENT WITH PRESSURE VARIATIONS INCIDENT TO CHANGES IN TOTAL PRESSURE AND STATIC PRESSURE, A MOVABLE CONTACT, FIRST AND SECOND MECHANICAL LINKAGE COUPLINGS CONNECTING SAID MOVABLE CONTACT WITH SAID STATIC PRESSURE RESPONSIVE MEANS AND SAID DIFFERENTIAL PRESSURE RESPONSIVE MEANS RESPECTIVELY, A SECOND CONTACT DISPOSED IN THE PATH OF SAID MOVABLE CONTACT FOR ENGAGEMENT THEREWITH WHEN A PREDETERMINED MAXIMUM SPEED OF SAID SPEED SCHEDULE IS REACHED, SAID SECOND CONTACT COMPRISING ELECTRICAL CONTACT MEANS HAVING ITS ELECTRICAL CONTACT SURFACE DEFINING SAID SPEED SCHEDULE.
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