Abstract: A top mounted flush valve is installed from inside a flush tank and does not require access to the opposite tank wall. A valve body includes an annular chamber receiving a radially enlarged head portion of a flexible resilient seal member. A draw ring is fixed to the remote end of a barrel portion of the seal member. A draw collar has a flange bearing against the body and a cylindrical portion threaded to the draw ring. Rotation of the draw collar outwardly collapses the seal barrel portion, and a seal bead on the seal member head is forced against the inner tank surface. A wall of the body isolates the draw collar from the seal barrel, and the enlarged head portion is wedged into the annular chamber to prevent rotation of the seal member.

Abstract: A gravity flush toilet system includes a fixture with a water sealed trap and a tank having an overflow tube, a flush valve and a fill valve. A control assembly includes a float assembly with a member for pushing the flush valve toward its closed position as the water level descends. A full volume or a reduced volume flushing operation is selected by alternatively filling or emptying a bias chamber of the float assembly. Water pressure variations are compensated for by increasing the weight of the float with part of the flow through the fill valve as the tank is emptying. A regulated volume of reseal water is carried in a chamber on the float and is discharged into the overflow tube to refill the fixture trap after each flushing operation.

Abstract: A gravity flush toilet system includes a fixture with a water sealed trap and a tank having an overflow tube, a flush valve and a fill valve. A control assembly includes a float assembly with a member for pushing the flush valve toward its closed position as the water level descends. A full volume or a reduced volume flushing operation is selected by alternatively filling or emptying a bias chamber of the float assembly. Water pressure variations are compensated for by increasing the weight of the float with part of the flow through the fill valve as the tank is emptying. A regulated volume of reseal water is carried in a chamber on the float and is discharged into the overflow tube to refill the fixture trap after each flushing operation.

Abstract: A nozzle assembly includes a housing with a mounting flange, a cavity, and a skirt extending from the flange to the cavity. Water and air supply ports communicate with the cavity and a socket ring divides the cavity into water and air supply regions. A discharge ball assembly includes a ball pivotally received in the socket and a discharge nozzle. A bezel has a lip covering the mounting flange, a skirt covering the housing skirt and surrounding the discharge nozzle and an end portion retaining the ball in the socket. Water and air flows are controlled by a valve member within the ball, and an additional water path provides continuous flow to an ejector orifice leading to a mixing region where air is entrained in the water flow. The discharge nozzle rotates to control the valve member but does not move axially. A clamp member is drawn by fasteners against the tub surface opposite to the mounting flange, and the housing can be mounted in different positions.

Abstract: A gravity flush toilet system includes a fixture with a water sealed trap and a tank having an overflow tube, a flush valve and a fill valve. A control assembly includes a float assembly with a member for pushing the flush valve toward its closed position as the water level descends. A full volume or a reduced volume flushing operation is selected by alternatively filling or emptying a bias chamber of the float assembly. Water pressure variations are compensated for by increasing the weight of the float with part of the flow through the fill valve as the tank is emptying. A regulated volume of reseal water is carried in a chamber on the float and is discharged into the overflow tube to refill the fixture trap after each flushing operation.

Abstract: A flush toilet system includes a bowl that is drained in a flush operation through a flow path including a trap and a siphon. A bypass passage supplies a back jet of water in the reverse flow direction in the flow path. A back jet valve assembly opens to permit back jet flow during only the first part of the interval during which flush water is supplied to the system from a water supply. The kinetic energy of the back jet is converted to static pressure to block or impede flow of flush water through the flow path. Water level increases in the bowl, and when the back jet flow is discontinued a siphon flush operation proceeds. The back flush valve assembly also releases water after the flushing operation in order to reseal the trap.

Abstract: A fill valve assembly for a toilet tank or the like includes a riser and a head portion that can be vertically adjusted without removal or disassembly of the valve in order to select a precise tank liquid level. Telescoping conduits in the riser are secured in adjusted position by a bayonet latch system including detents assisted by the force applied by pressurized liquid at the inlet to the assembly. A main valve disk is held against a valve seat by pressure in a control chamber in a standby position and is moved to an open position by venting of the control chamber. The valve includes an axial peripheral flange having an enlarged bead portion captured in an annular channel to provide an O-ring type seal against positive and negative pressure while maximizing flexibility of the disk. A lever for controlling a pilot seat for venting the chamber is pivoted between fulcrum flanges and is held by shoulders abutting one of the flanges. The lever is pivoted by a float in a float chamber.

Abstract: A fill valve assembly for a toilet tank or the like includes a riser and a head portion that can be vertically adjusted without removal or disassembly of the valve in order to select a precise tank liquid level. Telescoping conduits in the riser are secured in adjusted position by a bayonet latch system including detents assisted by the force applied by pressurized liquid at the inlet to the assembly. A main valve disk is held against a valve seat by pressure in a control chamber in a standby position and is moved to an open position by venting of the control chamber. The valve includes an axial peripheral flange having an enlarged bead portion captured in an annular channel to provide an O-ring type seal against positive and negative pressure while maximizing flexibility of the disk. A lever for controlling a pilot seat for venting the chamber is pivoted between fulcrum flanges and is held by shoulders abutting one of the flanges. The lever is pivoted by a float in a float chamber.

Abstract: A gravity flush toilet system includes a fixture with a water sealed trap and a tank having an overflow tube, a flush valve and a fill valve. A control assembly includes a float assembly with a member for pushing the flush valve toward its closed position as the water level descends. A full volume or a reduced volume flushing operation is selected by alternatively filling or emptying a bias chamber of the float assembly. Water pressure variations are compensated for by increasing the weight of the float with part of the flow through the fill valve as the tank is emptying. A regulated volume of reseal water is carried in a chamber on the float and is discharged into the overflow tube to refill the fixture trap after each flushing operation.

Abstract: A plumbing hookup kit includes a length of flexible tubing having terminals mounted on each end; different sized brass compression nuts; a brass ferrule; a pair of identical plastic sealing sleeves of one size and a pair of identical plastic sealing sleeves of another size; four identical split locking ring components, pairs of which are adapted to be combined into a locking ring; a pair of identical sealing rings of one size and another larger sealing ring. Different components of the plumbing hookup kit enable the establishment of a fluid tight connection between any of a number of different male threaded fittings in 3/8", 7/16" and 1/2" sizes, each of the type that cooperates with a corresponding one of a plurality of coupling nuts.

Abstract: A fill valve assembly for a toilet tank or the like includes a riser and a head portion that can be vertically adjusted without removal or disassembly of the valve in order to select a precise tank liquid level. Telescoping conduits in the riser are secured in adjusted position by a bayonet latch system including detents assisted by the force applied by pressurized liquid at the inlet to the assembly. A main valve disk is held against a valve seat by pressure in a control chamber in a standby position and is moved to an open position by venting of the control chamber. The valve includes an axial peripheral flange having an enlarged bead portion captured in an annular channel to provide an O-ring type seal against positive and negative pressure while maximizing flexibility of the disk. A lever for controlling a pilot seat for venting the chamber is pivoted between fulcrum flanges and is held by shoulders abutting one of the flanges. The lever is pivoted by a float in a float chamber.

Abstract: A fill valve assembly for a toilet tank or the like includes a riser and a head portion that can be vertically adjusted without removal or disassembly of the valve in order to select a precise tank liquid level. Telescoping conduits in the riser are secured in adjusted position by a bayonet latch system including detents assisted by the force applied by pressurized liquid at the inlet to the assembly. A main valve disk is held against a valve seat by pressure in a control chamber in a standby position and is moved to an open position by venting of the control chamber. The valve includes an axial peripheral flange having an enlarged bead portion captured in an annular channel to provide an O-ring type seal against positive and negative pressure while maximizing flexibility of the disk. A lever for controlling a pilot seat for venting the chamber is pivoted between fulcrum flanges and is held by shoulders abutting one of the flanges. The lever is pivoted by a float in a float chamber.

Abstract: A fluid connection is made to a conduit with a fluid connector by piercing a wall of the conduit. The connector includes a hollow nose portion. The connector is mounted on a tool having a punch pin extending through and beyond the nose portion. The wall is pierced by a point on the punch pin, and the hole is enlarged by forcing the nose portion through the wall while the punch pin supports the wall of the nose portion. A fluid tight seal is formed between the nose portion and a collar of deformed wall material.

Abstract: A fluid flow fill valve (10) has an elongated strainer member (40) with a plurality of axially extending flanges (44) each having alternating notches (48) and comb-like elements (46) which abut a complementarily tapered supply conduit wall (25) to provide an elongated strainer member along the conduit. The upstream end of the strainer member (40) has a nub (64) which is placed within an aperture (74) of flexible fluid flow restrictor member (66) to provide for a restrictive annular inlet to the strainer member (40). Strainer member (40) can be easily flushed by depressing and axially moving the strainer member downwardly such that a clearance (84) is formed between the comb-like element (46) and the tapered wall (25) of conduit (24).

Abstract: A poultry watering valve includes a housing including a body and cap defining a recess with a valve seat at its upstream end. A unitary seal member in the chamber includes a valve member portion urged by a spring against the downstream side of the valve seat. The seal member also includes a restrictor pin extending in an inlet bore upstream from the valve seat and a shank carring an operating stem extending through the valve outlet. The cap may be detached from the body for access to the seal member and spring without removing the body from the water supply conduit.

Abstract: A fill valve (22) for a toilet tank (10) has a probe (44). A cup member (46) is attached to the end of the probe. The cup member (46) has an inner tubular member (72) forming a chamber extension (42b) in communication with upper control chamber section (42a) in probe (44). A check valve (90) is mounted at the bottom end (60) of cup member (46). The cup member (46) provides for adjustability of fill level (41) of the tank by adaptably sliding up or down along the probe (44).

Abstract: A trim assembly for a water closet is disclosed. The water closet includes a tank, a bowl, a passage communicating the tank and bowl, a plurality of rim wash ports in the bowl and a trap between the bowl and an outlet. The trim assembly includes a manifold with an inlet and first and second outlets. The first outlet is coupled to a control valve with a main valve controlling flow to a control valve chamber. The control valve chamber includes first and second outlets and pressurized fluid introduced in the control valve chamber is simultaneously communicated to these outlets. The first outlet in the valve chamber is in fluid communication with the rim wash ports and the second outlet in the valve chamber is in fluid communication with a jet ring. Flow to the first and second outlets in the valve chamber is simultaneously commenced by lifting a valve member off a pilot port in the valve chamber.

Abstract: A spin disk evaporator includes a pan suspended from a cage enclosing a motor rotating a spin disk and a fan for moving an air stream across the pan and outward for the evaporator. The disk includes a cone-shaped tip immersed in water held in a sump portion of the pan. Rotation of the disk causes a film of water to be picked up by the tip and moved across a water transfer surface to a circumferential wall of the disk. Water collected on the inner surface of the wall separates and moves through grooves from the inner surface of the wall across the end of the wall to the outer surface. Water exits from the grooves at a circular edge and is dispersed into the air stream as extremely fine water particles.

Abstract: A valve for delivering a metered flow of liquid for flushing of a plumbing fixture or the like includes inlet and outlet ports and a main valve controlling flow from the inlet to the outlet port. A control chamber is in pressure communication with the main valve and a restricted flow path from the inlet port to the control chamber increases the control pressure to hold the main valve closed in a standby condition. A pilot valve is opened by an actuator to reduce control pressure and initiate a cycle of operation of the main valve. A snap acting mechanism is movable between two stable positions for opening and closing the pilot valve. The actuator is capable of operating the snap acting mechanism for opening the pilot valve in its fully opened position closes the pilot valve regardless of the position of the actuator.

Abstract: A fill valve for controlling liquid level in a toilet water tank or other tank includes a valve head assembly positioned at a selected level in the tank by a telescoping riser assembly with liquid inlet and outlet conduits extending toward the tank bottom. An adjusting nut on a stationary riser engages thread structures on inlet and outlet conduits for raising or lowering the valve head assembly and adjusting the liquid level. A main valve in the head assembly is controlled by a non-horizontal diaphragm separating a vent chamber and a control chamber. The control chamber is pressurized as liquid rises to the selected level by a standpipe extending downwardly in the tank. The valve closing and opening levels are offset by partly filling the vent chamber with liquid when the main valve is open to hydraulically load the diaphragm. A vacuum breaker valve obstructs backflow through the valve, vents the flow path when the valve is closed, and regulates flow into the vent chamber when the valve is open.