Selector valve

Claim 2

A selector valve comprising a valve body having a valve operating chamber and first and second separate fluid conduit means connected to the valve operating chamber, a valve member shiftable in the operating chamber to first and second separate operating positions thereof, the valve member having passageway means with inlet and outlet means, valve member operating means for selectively shifting said valve member to its said first and second operating positions, and one-way valve means in the passageway means of the valve member for providing unidirectional fluid flow from the inlet means to the outlet means of the valve member, the valve member having in one of its said positions its inlet and outlet means in fluid communication with said first and second conduit means respectively and in its other position its inlet and outlet means in fluid communication with said second and first conduit means respectively whereby unidirectional fluid flow is established through the valve having a direction depending on the operating position of the valve member, the valve member being shiftable to a third separate operating position, and having restricted fluid conduit means providing a restricted fluid connection between the first and second conduit means in said third separate operating position of the valve member, the restricted fluid conduit means comprising a peripheral groove in the valve member having a variable crosssection.

Claim 3

A selector valve according to claim 1 wherein the valve member is angularly shiftable in the valve operating chamber to its said first, second and third separate operating positions.

Claim 4

A selector valve according to claim 2 wherein the inlet and outlet means of the valve member are axially spaced and wherein each of said first and second conduit means have axially spaced conduit portions connected to the inlet and outlet means of the valve member in the first and second operating positions of the valve member respectively.

Claim 5

A selector valve according to claim 2 wherein the passageway means in the valve member comprises a first axially extending bore and second and third axially spaced bores extending generally radially from said first bore and providing said inlet and outlet means, and wherein the oneway valve means is mounted in the first axially extending bore between the second and third axially spaced bores.

Claim 6

A fluid pressure registering system according to claim 1 wherein the valve member is angularly shiftable in the valve chamber and is angularly shiftable to its said first and second operating positions and to a third separate variable operating position variable through a predetermined operating angle of the valve member, and wherein the valve member has restricted fluid conduit means providing a restricted fluid connection between the first and second conduit means in said third variable operating position having a fluid restriction variable through said predetermined operating angle of the valve member.

Claim 7

A selector valve comprising a valve body having a valve operatinG chamber and first and second separate fluid conduit means connected to the valve operating chamber, a valve member angularly shiftable in the operating chamber to first and second separate angular operating positions thereof and to a third separate variable operating position thereof variable through a predetermined operating angle, the valve member having third conduit means with inlet and outlet means and a separate fourth variable restriction circumferentially extending peripheral groove for establishing a restriction between the first and second conduit means in the valve body variable through said predetermined operating angle of the valve member, valve member operating means for selectively angularly setting said valve member at its said first and second operating positions and within its said predetermined operating angle, the first, second and third fluid conduit means providing passageway means with first and second different fluid connections through the selector valve in said first and second operating positions of the valve member respectively, and one-way valve means in the passageway means providing unidirectional fluid flow in opposite directions through said valve in said first and second operating positions of the selector valve, whereby selected restricted fluid flow or selected unidirectional flow through the selector valve is established with the angular setting of the valve member.

Claim 8

A selector valve comprising a valve body having a valve operatinG chamber and first and second separate fluid conduit means connected to the valve operating chamber, a valve member angularly shiftable in the operating chamber to first and second separate angular operating positions thereof and to a third separate variable operating position thereof variable through a predetermined operating angle, the valve member having third conduit means with inlet and outlet means and a separate fourth variable restriction circumferentially extending peripheral groove for establishing a restriction between the first and second conduit means in the valve body variable through said predetermined operating angle of the valve member, valve member operating means for selectively angularly setting said valve member at its said first and second operating positions and within its said predetermined operating angle, the first, second and third fluid conduit means providing passageway means with first and second different fluid connections through the selector valve in said first and second operating positions of the valve member respectively, and one-way valve means in the passageway means providing unidirectional fluid flow in opposite directions through said valve in said first and second operating positions of the selector valve, whereby selected restricted fluid flow or selected unidirectional flow through the selector valve is established with the angular setting of the valve member.

Claim 9

A selector valve comprising a valve body having a valve operating chamber and first and second separate fluid conduit means connected to the valve operating chamber, a valve member angularly shiftable in the operating chamber to a first operating position thereof and to a second separate variable operating position thereof variable through a predetermined operating angle of the valve member, the valve member having third conduit means with inlet and outlet means and fourth separate variable restriction conduit means comprising a peripheral groove in the valve member having a variable cross-section, valve member operating means for selectively angularly setting the valve member at its said first operating position and within its said predetermined operating angle, and one-way valve means in the third conduit means of the valve member providing unidirectional fluid flow from its inlet means to its outlet means, the valve member having in its said first position its inlet and outlet means in fluid connection with said first and second conduit means respectively to establish unidirectional flow from the first conduit means to the second conduit means and having in its said second variable operating position its peripheral groove in fluid connection with the first and second conduit means to establish a restricted fluid connection between the first and second conduit means variable by the setting of the valve member within said predetermined operating angle.

Claim 10

A selector valve comprising a valve body having a valve operating chamber and first and second separate fluid conduit means connected to the valve operating chamber, a valve member angularly shiftable in the operating chamber to a first operating position thereof and to a second separate variable operating position thereof variable through a predetermined operating angle of the valve member, the valve member having third conduit means with inlet and outlet means and fourth separate variable restriction conduit means comprising a peripheral groove in the valve member having a variable cross-section, valve member operating means for selectively angularly setting the valve member at its said first operating position and within its said predetermined operating angle, and one-way valve means in the third conduit means of the valve member providing unidirectional fluid flow from its inlet means to its outlet means, the valve member having in its said first position its inlet and outlet means in fluid connection with said first and second conduit means respectively to establish unidirectional flow from the first conduit means to the second conduit means and having in its said second variable operating position its peripheral groove in fluid connection with the first and second conduit means to establish a restricted fluid connection between the first and second conduit means variable by the setting of the valve member within said predetermined operating angle.

Claim 11

In a fluid pressure registering system for registering the fluid pressure of a fluctuating fluid pressure source, having fluid pressure registering means, a fluid container containing the fluctuating fluid pressure, a fluid conduit connecting the fluid pressure registering means to the fluid container for registering therewith a pressure level of the fluid pressure within the fluid container and a register control valve in the fluid inlet conduit selectively operable for selectively connecting the fluid pressure registering means to the fluid container, the improvement wherein the register control valve comprises a valve body having a valve operating chamber and first and second separate fluid conduit means connected to the valve operating chamber, one of the fluid conduit means being connected to the fluid pressure registering means and the other fluid conduit means being connected to the fluid container, a valve member shiftable in the operating chamber to first and second separate operating positions thereof, the valve member having passageway means with inlet and outlet means, valve member operating means for selectiVely setting said valve member at its said first and second operating positions, one-way valve means in the passageway means of the valve member for providing unidirectional fluid flow from the inlet means to the outlet means of the valve member, the valve member having in one of its said positions its inlet and outlet means in fluid communication with said first and second conduit means respectively and in its other position its inlet and outlet means in fluid communication with said second and first conduit means respectively whereby unidirectional fluid flow is established through the register control valve between the fluid container and fluid pressure registering means having a direction depending on the operating position of the valve member and whereby the valve member is adapted to be selectively set to register with the fluid pressure registering means the maximum and minimum pressure levels of the fluid pressure within the fluid container.

Claim 12

In a fluid pressure registering system for registering the fluid pressure of a fluctuating fluid pressure source, having fluid pressure registering means, a fluid container containing the fluctuating fluid pressure, a fluid conduit connecting the fluid pressure registering means to the fluid container for registering therewith a pressure level of the fluid pressure within the fluid container and a register control valve in the fluid inlet conduit selectively operable for selectively connecting the fluid pressure registering means to the fluid container, the improvement wherein the register control valve comprises a valve body having a valve operating chamber and first and second separate fluid conduit means connected to the valve operating chamber, one of the fluid conduit means being connected to the fluid pressure registering means and the other fluid conduit means being connected to the fluid container, a valve member shiftable in the operating chamber to first and second separate operating positions thereof, the valve member having passageway means with inlet and outlet means, valve member operating means for selectiVely setting said valve member at its said first and second operating positions, one-way valve means in the passageway means of the valve member for providing unidirectional fluid flow from the inlet means to the outlet means of the valve member, the valve member having in one of its said positions its inlet and outlet means in fluid communication with said first and second conduit means respectively and in its other position its inlet and outlet means in fluid communication with said second and first conduit means respectively whereby unidirectional fluid flow is established through the register control valve between the fluid container and fluid pressure registering means having a direction depending on the operating position of the valve member and whereby the valve member is adapted to be selectively set to register with the fluid pressure registering means the maximum and minimum pressure levels of the fluid pressure within the fluid container.