JPS53145252A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Controller of oil pressure elevator
Assignee: Hitachi Ltd
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Filing: 1977-05-20
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Granted: —
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Expires: 1997-05-20
Abstract
Abstract PURPOSE: To posiitively control an elevator, by detecting the tamp of oil in an oil presure device arranged by a cylinder and a plunger, by actuating a delay device when the temp becomes under a fixed temp, and by delaying retardation command or stop command. COPYRIGHT: (C)1978,JPO&Japio
Inventors
- 👤 Etsuo Shin
- 👤 Yasuo Kido
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-09 07:59
CPC Classifications
—
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