IP Library Granted Patent US 7,905,250
Granted Patent B2
US 7,905,250 · App. 11/937,059 · Granted Mar 15, 2011

Dual chamber adapter

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Quick Facts
Patent No.
US 7,905,250
App. No.
11/937,059
Granted
Mar 15, 2011
Kind
B2
Abstract

An adapter for use in association with upstream and downstream portions of a piping system is disclosed. The adapter includes a first chamber having an inlet adapted to receive fluid therethrough, an outlet adapted to expel fluid therefrom, and a sidewall extending therebetween defining a first chamber interior. The adapter also includes a second chamber having an inlet adapted to receive forced fluid therethrough, an outlet adapted to expel the forced fluid therefrom, and a sidewall extending therebetween defining a second chamber interior. The first chamber interior is isolated from the second chamber interior. The first chamber is adapted to receive forced fluid therethrough from an upstream portion of a piping system, and the second chamber is adapted to provide forced fluid therethrough to a downstream portion of the piping system.

Claims (37)

1. A removable adapter for temporarily disposing within a piping system of a structure, comprising:

a first chamber having an inlet adapted to receive fluid therethrough, an outlet adapted to expel fluid therefrom, and a sidewall extending therebetween defining a first chamber interior, wherein the inlet of the first chamber is provided in fluid engagement with an upstream portion of the piping system, such that liquid may pass therethrough through the upstream portion of the piping system; and

a second chamber having an inlet adapted to receive forced fluid therethrough, an outlet adapted to expel the forced fluid therefrom, and a sidewall extending therebetween defining a second chamber interior, wherein the outlet of the second chamber is gaseously engaged with a downstream portion of the piping system, wherein the first chamber interior is isolated from the second chamber interior, and the upstream portion of the piping system is isolated from the downstream portion of the piping system.

2. The adapter of claim 1 , wherein the first chamber is adapted to provide forced fluid therethrough to an upstream portion of a piping system, and the second chamber is adapted to provide forced fluid therethrough to a downstream portion of the piping system.

3. The adapter of claim 1 , wherein the outlet of the first chamber is engageable with a flush hose.

4. The adapter of claim 1 , further comprising a hose disposed within the outlet of the first chamber.

5. The adapter of claim 1 , wherein the inlet of the first chamber is engageable with a shut-off valve.

6. The adapter of claim 1 , wherein the inlet of the first chamber is adapted to receive liquid therethrough, and the outlet of the first chamber is adapted to expel liquid therefrom.

7. The adapter of claim 1 , wherein the inlet of the second chamber is adapted to receive forced gas therethrough, and the outlet of the second chamber is adapted to expel forced gas therefrom.

8. The adapter of claim 1 , wherein the inlet of the second chamber is engageable with a hose.

9. The adapter of claim 1 , further comprising a gas blow-out hose disposed within the inlet of the second chamber.

10. The adapter of claim 9 , wherein the inlet of the second chamber is connected to a source of compressed air.

11. The adapter of claim 1 , wherein the outlet of the second chamber is engageable with a shut-off valve.

12. The adapter of claim 1 , wherein the sidewall of the first chamber and the sidewall of the second chamber are co-extensive.

13. The adapter of claim 1 , further comprising a housing, at least one of the sidewall of the first chamber and the sidewall of the second chamber defined within the housing.

14. The adapter of claim 1 , wherein the inlet of the first chamber and the outlet of the second chamber are substantially aligned along a longitudinal axis of the adapter.

15. The adapter of claim 1 , wherein at least one of the inlet of the first chamber and the outlet of the second chamber comprises a threaded profile for matingly engaging a corresponding threaded profile of at least one of a portion of a piping system and a shut-off valve.

16. The adapter of claim 1 , further comprising a body of the adapter, and a threaded profile disposed within the body of the adapter for matingly engaging a corresponding threaded profile of at least one of a portion of a piping system and a shut-off valve.

17. The adapter of claim 1 , wherein at least one of the inlet of the first chamber and the outlet of the second chamber comprises a pressure-fit gasket for matingly engaging a corresponding profile of at least one of a portion of a piping system and a shut-off valve.

18. An adapter for removable engagement with a shut-off valve within a piping system, comprising:

a first chamber having an inlet adapted for receiving forced liquid therethrough and an outlet adapted for fluidly engaging the shut-off valve, wherein the inlet of the first chamber is fluidly engaged with an upstream portion of the piping system; and

a second chamber having an inlet adapted for receiving forced gas therethrough and an outlet adapted for gaseously engaging a portion of the piping system, wherein the outlet of the second chamber is gaseously engaged with a downstream portion of the piping system.

19. The adapter of claim 18 , wherein the outlet of the second chamber is adapted for gaseously engaging a second shut-off valve within the piping system.

20. The adapter of claim 19 , wherein the second chamber is adapted to force gas from the outlet of the second chamber through the second shut-off valve to a downstream portion of the piping system.

21. The adapter of claim 18 , wherein the inlet of the first chamber is adapted to receive liquid from an upstream portion of the piping system.

22. The adapter of claim 18 , adapted for removable engagement with a shut-off valve within a piping system in place of at least a portion of at least one of a backflow prevention device and a pressure reducing valve.

23. A flushable liquid delivery system, comprising:

a piping system having an upstream portion and a downstream portion; and

a removable adapter having a body configured to be temporarily inserted within the piping system between the upstream portion and the downstream portion, comprising:

a first chamber having an inlet adapted to receive fluid therethrough, an outlet adapted to expel fluid therefrom, and a sidewall extending therebetween defining a first chamber interior, wherein the inlet of the first chamber is provided in fluid engagement with the upstream portion of the piping system, such that liquid may pass therethrough through the upstream portion of the piping system; and

a second chamber having an inlet adapted to receive forced fluid therethrough, an outlet adapted to expel the forced fluid therefrom, and a sidewall extending therebetween defining a second chamber interior, wherein the outlet of the second chamber is gaseously engaged with the downstream portion of the piping system, wherein the first chamber interior is isolated from the second chamber interior, and the upstream portion of the piping system is isolated from the downstream portion of the piping system.

24. The system of claim 23 , wherein the outlet of the first chamber is engageable with a flush hose.

25. The system of claim 23 , wherein the inlet of the first chamber is engageable with a shut-off valve of the upstream portion of the piping system.

26. The system of claim 23 , further comprising a gas blow-out hose disposed within the inlet of the second chamber.

27. The system of claim 23 , wherein the inlet of the second chamber is connected to a source of compressed air.

28. The system of claim 23 , wherein the outlet of the second chamber is engageable with a shut-off valve of the downstream portion of the piping system.

29. The system of claim 23 , wherein the removable adapter is configured to be received by a housing used to form a portion of a back flow prevention device.

Assignments (9)
NOTICE OF SUCCESSION OF AGENCY OF REEL/FRAME 057893/0121 Recorded Feb 20, 2026
From: UBS AG, STAMFORD BRANCH, AS PRIOR AGENT (F/K/A CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH)
To: JPMORGAN CHASE BANK, N.A., AS SUCCESSOR AGENT
Reel/Frame 074945/0935 →
NOTICE OF SUCCESSION OF AGENCY OF REEL/FRAME 066293/0879 Recorded Feb 20, 2026
From: UBS AG, STAMFORD BRANCH, AS PRIOR AGENT (F/K/A CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH)
To: JPMORGAN CHASE BANK, N.A., AS SUCCESSOR AGENT
Reel/Frame 074947/0479 →
CONVERSION Recorded Jan 16, 2024
From: ZURN INDUSTRIES, LLC
To: ZURN INDUSTRIES, LLC
Reel/Frame 066336/0603 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 16, 2024
From: ZURN INDUSTRIES, LLC
To: ZURN WATER, LLC
Reel/Frame 066337/0918 →
RELEASE OF INTELLECTUAL PROPERTY SECURITY INTEREST IN PATENTS AT REEL 057893, FRAME 0121 Recorded Dec 19, 2023
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
To: ZURN INDUSTRIES, LLC (F/K/A ZURN INDUSTRIES, INC.)
Reel/Frame 066067/0937 →
PATENT SECURITY AGREEMENT Recorded Dec 18, 2023
From: ZURN WATER, LLC
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
Reel/Frame 066293/0879 →
LETTERS TESTAMENTARY Recorded Dec 15, 2023
From: KOCK, FRANK
To: ZURN INDUSTRIES, LLC
Reel/Frame 065885/0398 →
SECURITY INTEREST Recorded Oct 8, 2021
From: AMERICAN DRYER LLC; GREEN TURTLE AMERICAS LTD.; WORLD DRYER CORPORATION; ZURN PEX, INC.; ZURN INDUSTRIES, LLC
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
Reel/Frame 057893/0121 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 9, 2008
From: NOLL, BRAD L.; ORR, WILLIAM M.
To: ZURN INDUSTRIES, LLC
Reel/Frame 020926/0692 →