Paperless pressure and alarm recorder

Details Paperless pressure and alarm recorder Paperless pressure and alarm recorder

1995-05-16

1999-11-09

Wu, Daniel J.

Communications: electrical

Systems

Manual alarm telegraph; e.g., other than signal box type

137 12, 169 61, 73712, 239 63, 340626, 346 33TP, 364143, 364146, G08B 1302

Patent

active

059822740

ABSTRACT:
A paperless recorder for recording pressure and alarm condition data from a fire controller for a fire pump control system. The fire pump is connected a pipe network which has a pressure sensor for sensing pipe pressure. The recorder is connected to the pressure sensor and checks for pressure changes. When a pressure change is detected, it is stored in an electronic memory. Pressure readings are also periodically stored in the electronic memory. The recorder may also monitor alarm voltages and alarm contacts which may also be stored in the electronic memory. The stored data may be transmitted to a computer via modem or port connection for further analysis.

REFERENCES:
patent: 3350931 (1967-11-01), Johnson et al.
patent: 3748656 (1973-07-01), Gray et al.
patent: 5021939 (1991-06-01), Puloiese
patent: 5035357 (1991-07-01), Brickell et al.
patent: 5189394 (1993-02-01), Walter et al.
patent: 5236049 (1993-08-01), Asselin et al.
patent: 5373346 (1994-12-01), Hocker
patent: 5460196 (1995-10-01), Yonnet

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