Dual timer with delay

Details Dual timer with delay Dual timer with delay

1976-06-01

1978-07-18

Feinberg, Samuel

Lubrication

Systems

With safety or indicating means

340626, 307293, F01M 118

Patent

active

041010019

ABSTRACT:
A solid state dual timer with adjustable "long" and "short" time intervals preferably providing a long normally operating period between consecutive test periods which are utilized for test purposes, wherein a "delay" interval is provided at the initiation of each test period to allow the test conditions being imposed a sufficient time to settle. A highly advantageous application resides in the field of automated lubrication systems in which periodic pressure tests to monitor system integrity are performed, for example, every hour, the tests requiring a relatively brief time interval, the "delay" interval being of a length sufficient to allow the system pressure to build up before the test instruments are activated. The normally operating interval and the test and "delay" periods are all adjustable.

REFERENCES:
patent: 3381776 (1968-05-01), Gruber et al.

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