Valve

• US 10,451,186 B2
• Filed: 03/13/2016
• Issued: 10/22/2019
• Est. Priority Date: 03/13/2015
• Status: Active Grant

• Current Assignee: Technopak Limited
• Original Assignee: Technopak Limited
• Inventors: Reckin, Shane Robert
• Primary Examiner(s): Paquette, Ian G
• Application Number:
  US15/557,931
• Publication Number:
  US 20180051812A1
• Time in Patent Office: 1,318 Days
• CPC Class Codes: F16K 1/222 Shaping of the valve member
• CPC Class Codes: F16K 1/2263 the sealing being arranged on the valve seat
• CPC Class Codes: F16K 25/005 Particular materials for seats or closure elements
• CPC Class Codes: F16K 25/04 Arrangements for preventing erosion, not otherwise provided for
• CPC Class Codes: F16K 27/0218 Butterfly valves

Abstract

This invention relates to a valve for use in a pipe used for transporting a substance. The valve includes a rotatable disc, a valve seat, and an actuator. The actuator is adapted to rotate the rotatable disc between a closed position, where the rotatable disc is substantially perpendicular to the longitudinal axis of the pipe, and whereby the edges of the rotatable disc are adapted to seal against the valve seat, thus preventing the flow of the substance through the valve, and an open position, wherein the rotatable disc is substantially parallel to the longitudinal axis of the pipe, thus allowing for the flow of the substance through the valve. The valve also includes a protective portion adapted to cover at least a portion of the valve seat during the flow of the substance through the valve, when the valve is open.

Claims

1. A valve for use in a pipe used for transporting a substance, said valve including:

a) a rotatable disc,

b) a valve seat,

c) an actuator for rotating the rotatable disc between;

i a closed position, wherein the rotatable disc is perpendicular to the longitudinal axis of the pipe, and whereby the edges of the rotatable disc are adapted to seal against the valve seat, thus preventing the flow of the substance through the valve, and

ii. an open position, wherein the rotatable disc is parallel to the longitudinal axis of the pipe, thus allowing the flow of the substance through the valve,

d) a movable annular ring fixed at right angles with respect to the rotatable disc, the arrangement and construction being such that the annular ring is adapted to cover at least a portion of the valve seat during the flow of the substance through the valve, when the valve is open,

wherein the actuator includes a rod, upon which rod the rotatable disc is mounted, and whereby the valve may be opened by turning the rod a quarter turn in one direction and the valve may be closed by turning the rod a quarter turn in the opposite direction and

wherein the annular ring is mounted on the rod, and is perpendicular to the rotatable disc, the arrangement and construction being such that as the valve is moved from the closed position to the open position the annular ring is adapted to rotate and come to rest covering at least a portion of the valve seat, when the valve is fully open, thus protecting the valve seat from the effects of the flow of the substance through the valve.

2. A valve for use in a pipe used for transporting a substance, as claimed in claim 1, wherein the annular ring is adapted to cover the entire valve seat during the flow of the substance through the valve, when the valve is open.

3. A valve for use in a pipe used for transporting a substance, as claimed in claim 1, wherein the annular ring is adapted to cover the entire valve seat during the flow of the substance through the valve, when the valve is open.

4. A valve for use in a pipe used for transporting a substance, as claimed in claim 1, wherein the edges of the rotatable disc are adapted to scrape or wipe the inner surface of the valve seat when the valve is being opened and/or closed.

5. A valve for use in a pipe used for transporting a substance, as claimed in claim 4, wherein the annular ring is adapted to cover the entire valve seat during the flow of the substance through the valve, when the valve is open.

6. A valve for use in a pipe used for transporting a substance, as claimed in claim 1, wherein the annular ring, and/or edges of the annular ring, are adapted to scrape or wipe the inner surface of the valve seat when the valve is being opened and/or closed.

7. A valve for use in a pipe used for transporting a substance, as claimed in claim 6, wherein the annular ring is adapted to cover the entire valve seat during the flow of the substance through the valve, when the valve is open.

8. A valve for use in a pipe used for transporting a substance, as claimed in Claim 1, wherein the rod, rotatable disc and annular ring are integrally formed.

9. A valve for use in a pipe used for transporting a substance, as claimed in claim 8, wherein the annular ring is adapted to cover the entire valve seat during the flow of the substance through the valve, when the valve is open.

10. A valve for use in a pipe used for transporting a substance, as claimed in claim 8, wherein the rod, rotatable disc, annular ring and valve seat are mounted within two valve halves, which are joined together.

11. A valve for use in a pipe used for transporting a substance, as claimed in claim 10, wherein the annular ring is adapted to cover the entire valve seat during the flow of the substance through the valve, when the valve is open.

12. A valve for use in a pipe used for transporting a substance, as claimed in claim 1, wherein the substance is a powder.

13. A valve for use in a pipe used for transporting a substance, as claimed in claim 12, wherein the annular ring is adapted to cover the entire valve seat during the flow of the substance through the valve, when the valve is open.

14. A valve for use in a pipe used for transporting a substance, as claimed in claim 12, wherein the powder is milk powder.

15. A valve for use in a pipe used for transporting a substance, as claimed in claim 14, wherein the annular ring is adapted to cover the entire valve seat during the flow of the substance through the valve, when the valve is open.