Patent · US Active

Plunger type safety valve

US9631733B2 · kind B2 · utility

0Cited by

1References

3Claims

0Family size

Assignee

XIAMEN RUNNER INDUSTRIAL CORPORATION · CN

Inventors

Bo Liu · Sammamish, US
Yong Ding · Newton, US
Wei Xu · Hubei, CN

Key dates

Filing date	Jan 19, 2016
Grant date	Apr 25, 2017
Priority date	—
Expiry date	Jan 19, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K17/04
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A plunger type safety valve includes a valve body, a valve rod, and a tube piece. The valve body is provided with a first water inlet port and a first water outlet port, the first water inlet port is connected to a water pipe of a local water supply plant, while the first water outlet port is connected to a water input end of a filtering device. The valve rod is disposed vertically in an inner chamber of the valve body, to switch between connection and disconnection of the first water inlet port and the first water outlet port. And the tube piece is connected fixedly with a lower end of the valve body, to form into a chamber body, and is provided with a second water inlet port and a second water outlet port.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.