公开(公告)号：US20230151975A1

公开(公告)日：2023-05-18

申请号：US18097761

申请日：2023-01-17

Applicant: Watts Regulator Co.

Inventor： James Erhardt ,  Mahyar Esmaili

IPC: F24D19/08 ,  F16K11/085 ,  F24D19/10

CPC classification number: F24D19/088 ,  F16K11/085 ,  F24D19/1051 ,  F16K5/04

Abstract: An isolation valve assembly comprises a valve body defining a first fluid port and a second fluid port opposing the first fluid port and at least one drain port disposed between the first fluid port and the second fluid port, an isolation valve disposed within the valve body and a handle operatively coupled to the isolation valve. The handle is movable to cause corresponding movement of the isolation valve between a first normal position where the isolation valve fluidly couples the first fluid port and the second fluid port, and a second drain position where the isolation valve fluidly couples the first fluid port and the at least one drain port and isolates the second fluid port.

公开(公告)号：US11603995B2

公开(公告)日：2023-03-14

申请号：US17314819

申请日：2021-05-07

Applicant: Watts Regulator Co.

Inventor： James Erhardt ,  Mahyar Esmaili

IPC: F24D19/08 ,  F16K11/08 ,  F16K5/04 ,  F16K11/085 ,  F24D19/10

Abstract: A tankless water heater (TWH) isolation valve includes a valve body having a plug valve port, a TWH port, a water distribution system port and a drain port. A plug valve includes at least one plug seal. The plug valve is controlled by a rotatable plug valve handle. The plug valve is disposed through the plug valve port and within the valve body. The rotatable plug valve handle includes a first plug valve handle position and a different rotated second plug valve handle position. In a normal operating mode in the first plug valve handle position, the TWH port is fluidly coupled to both of the drain port and the water system distribution port. In a drain mode, the TWH port is fluidly coupled to the drain port, and the water system distribution port is closed to the TWH port as blocked by the plug seal.

公开(公告)号：US12241640B2

公开(公告)日：2025-03-04

申请号：US18097761

申请日：2023-01-17

Applicant: Watts Regulator Co.

Inventor： James Erhardt ,  Mahyar Esmaili

IPC: F24D19/08 ,  F16K5/04 ,  F16K11/08 ,  F16K11/085 ,  F24D19/10

Abstract: An isolation valve assembly comprises a valve body defining a first fluid port and a second fluid port opposing the first fluid port and at least one drain port disposed between the first fluid port and the second fluid port, an isolation valve disposed within the valve body and a handle operatively coupled to the isolation valve. The handle is movable to cause corresponding movement of the isolation valve between a first normal position where the isolation valve fluidly couples the first fluid port and the second fluid port, and a second drain position where the isolation valve fluidly couples the first fluid port and the at least one drain port and isolates the second fluid port.

公开(公告)号：US20210381698A1

公开(公告)日：2021-12-09

申请号：US17314819

申请日：2021-05-07

Applicant: Watts Regulator Co.

Inventor： James Erhardt ,  Mahyar Esmaili

IPC: F24D19/08 ,  F24D19/10 ,  F16K11/085

Abstract: A tankless water heater (TWH) isolation valve includes a valve body having a plug valve port, a TWH port, a water distribution system port and a drain port. A plug valve includes at least one plug seal. The plug valve is controlled by a rotatable plug valve handle. The plug valve is disposed through the plug valve port and within the valve body. The rotatable plug valve handle includes a first plug valve handle position and a different rotated second plug valve handle position. In a normal operating mode in the first plug valve handle position, the TWH port is fluidly coupled to both of the drain port and the water system distribution port. In a drain mode, the TWH port is fluidly coupled to the drain port, and the water system distribution port is closed to the TWH port as blocked by the plug seal.