发明名称 Elevator system
摘要 A hydraulic elevator system wherein the pressure in the hydraulic system is used to measure load in the passenger compartment of the elevator car when the elevator car is stationary. A pressure monitoring device, such as a pressure switch, is calibrated to provide a signal when a predetermined pressure is reached, with this signal being used to modify the operation of the elevator system.
申请公布号 US4438831(A) 申请公布日期 1984.03.27
申请号 US19800110280 申请日期 1980.01.07
申请人 WESTINGHOUSE ELECTRIC CORP. 发明人 ROHANNA, JAMES E.
分类号 B66B1/34;(IPC1-7):B66B1/00 主分类号 B66B1/34
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