Method and apparatus for servicing fluid meters

Metal working – Method of mechanical manufacture – Repairing

Patent

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Details

137 15, 137316, 73272R, F16L 5518, F17D 300

Patent

active

045326886

ABSTRACT:
A fluid measuring device such as a gas meter may be disconnected from its associated inlet and outlet conduits and may either be replaced or serviced without replacement without interrupting service to a point of use by enclosing the meter to be replaced or serviced within an enclosing element which also encloses the inlet and outlet couplings and which is provided with a purge port and a translucent window together with access sleeves through its side wall whereby manual disconnection of the inlet and outlet couplings following initial loosening prior to employment of the enclosing element so as first to bleed entrapped air from the enclosing element and thereafter following closure of the purge port the meter to be serviced is manually removed and replaced by a meter disposed within the enclosing element. If circumstances permit, the meter to be serviced may be serviced within the enclosing element all without interrupting the flow of gas to the point of use. The enclosing element is secured in fluid tight relation about the meter and about the inlet and outlet conduits so as to form a fluid tight environment for disconnecting the meter to be serviced and for performing service operations thereon. If desired, the meter to be serviced may be replaced by a replacement meter disposed within the bag and in such manner as to maintain continuity of service.

REFERENCES:
patent: 3122158 (1964-02-01), Grunsky
patent: 3310322 (1967-03-01), Carroll
patent: 3615159 (1971-10-01), Munoz
patent: 3946754 (1976-03-01), Cook
patent: 4327760 (1982-05-01), Lancaster

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