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US 8,671,970 B2Granted
Flow-through trap primer valve assembly
AssigneeJL Industries, Inc.
InventorsJack S. Vilendre, M. Kevin Hardwick
Life of this patent
Estimating the term…
Abstract
A flow meter trap primer valve assembly for regulating flow includes an inlet for receiving water from a supply, a check valve mounted within an adaptor having an elongate bore forming a jet, and the check valve includes a piston mounted within a cartridge. A biasing element normally urges the piston against a trap seat.
Claims4
A flow meter trap primer valve assembly for regulating water flow comprising:
- an inlet for receiving water from a supply;
- a check valve mounted within an adaptor having an elongate bore forming a jet;
- the check valve including a piston mounted within a cartridge which includes an annular rim having an interior annular surface wherein a plurality of spaced-apart upright elements project from the annular rim;
- and
- a biasing element for normally urging the piston against a trap seat.
2 more elements
Dependencies are inferred from the claim text.