Gas shutoff apparatus

Details Gas shutoff apparatus Gas shutoff apparatus

1987-10-20

1989-09-12

Lall, Parshotam S.

Boots, shoes, and leggings

13762411, G04F 100

Patent

active

048666335

ABSTRACT:
A flow rate of a gas is measured by a flow rate measurement means, and when the flow rate exceeds a predetermined reference value, occurrence of an abnormal state such as escape of the gas is detected and a shutoff means is automatically closed by control of a microcomputer, futhermore, "a gas consumption pattern" showing combination of an amount of gas consumption, maximum flow rate and continuous consumption time of a consumer is observed in a predetermined time period, and a reference value of the gas consumption pattern is decided on the basis of the consumption state, moreover, a decision level of abnormal state is varied and set as a new reference values corresponding to the gas consumption pattern.

REFERENCES:
patent: 4200911 (1980-04-01), Matsumoto
patent: 4241400 (1980-12-01), Kiefer
patent: 4502842 (1985-03-01), Currier et al.
patent: 4569012 (1986-02-01), Sekozawa et al.
patent: 4574871 (1986-03-01), Parkinson et al.
patent: 4589435 (1986-05-01), Aldrich
patent: 4644478 (1987-02-01), Stephens et al.
patent: 4718454 (1988-01-01), Appleby
patent: 4729106 (1988-03-01), Rush et al.

Affiliated with

Also associated with

Rating

Gas shutoff apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Gas shutoff apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gas shutoff apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-922158