Patent · US Active

Valve for controlling a fluid flow

US11466786B2 · kind B2 · utility

1Cited by

4References

23Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Haixiang Wang · Nanhu, CN
Thomas Demmer · Munich, DE
Rob Hickey · Concord, US
Thomas Helming · Baden-Baden, DE

Key dates

Filing date	Feb 28, 2018
Grant date	Oct 11, 2022
Priority date	—
Expiry date	Aug 29, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF25B2500/18
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The invention relates to a valve (1, 1a), in particular an expansion valve, for controlling fluid flow, having a valve central housing (10, 10a) having a first and a second opening (12, 12a, 14, 14a) and a valve element (20, 20a) which has a rotationally symmetrical outline and is arranged rotatably within the valve element housing (10, 10a). According to the invention, the valve element (20, 20a) has a cut-out, wherein the cut-out (30, 30a, 30b, 30c) has a variable dimension, and a sub region (32, 32a) of the cutout (30, 30a, 30b, 30c) is formed continuously through the valve element (20, 20a).

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