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US 5,139,050 AGranted
Multi-functional valve
OwnerFrank J. Ottoinventor
Life of this patent
Estimating the term…
Abstract
A multi-functional valve includes a body and a circular piston. The piston has at least one circular O-ring surrounding the piston body. There is also a side mounted O-ring with a central axis substantially perpendicular to the circular O-ring.
Claims20
A multi-functional valve including a housing and piston member, and having a combined bypass, shut-off and inservice capability to be applied to a water treatment system, wherein:
- a. said housing has a base member and a head portion;
- b. said base member includes a securing means for securing said valve to a cylinder;
- c. said cylinder forms a part of said water treatment system;
- d. said piston member includes a sealing mechanism capable of operably cooperating with said housing;
- e. said piston member has a shut-off position, a filtered position and an unfiltered position;
- f. said piston member is movable mounted within said housing;
- g. a lever is operably connected to said piston member;
- h. said lever is situated exterior in relation to said housing;
- i. said piston includes a wall;
- j. said sealing mechanism includes at least one member encircling said piston member and at least one member mounted in a groove in said wall;
- and
- k. said at least one member encircling said piston member has an encircling axis perpendicular to an axis of said groove in said wall.
9 more elements
A multi-functional valve having a combined safety, bypass, shut-off and inservice capability to be applied to a water treatment system, wherein:
- a. said multi-functional valve includes a housing having a base member and a head portion;
- b. said base member includes a securing means for securing said valve to a cylinder;
- c. said cylinder forms a part of said water treatment system;
- d. a piston member is operably cooperating with said housing;
- e. said piston member has a shut-off position, a filtered position and an unfiltered position;
- f. said piston member includes an interior portion and a stepped portion;
- g. said interior portion fits in top and substantially fills piston aperture;
- h. said base member includes an inlet and an outlet;
- i. said head portion includes a water receiving section capable of being tapped directly into a waterline;
- j. said piston member has a filtered position, a bypass position, and a closed position;
- k. said piston member includes a sealing mechanism;
- l. said piston member includes a wall;
- m. said sealing mechanism includes at least one member encircling said piston member and at least one member mounted in a groove in said wall;
- n. said at least one member mounted in a groove in said wall is circular in nature;
- o. said piston member is actuated by a single lever;
- and
- p. said at least one member encircling said piston member has an encircling axis perpendicular to an axis of said groove in said wall.
14 more elements
Dependencies are inferred from the claim text.