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US 12,270,476 B2Granted
Capacity control valve
AssigneeEagle Industry Co., Ltd.
InventorsKeichi Urushiyama, Kohei Fukudome, Masahiro Hayama, Toshinori Kanzaki, Keigo Shirafuji
Life of this patent
Estimating the term…
Abstract
Provided is a capacity control valve that can be produced with good workability and at a low cost. A capacity control valve includes: a valve housing in which a flow passage is formed; and a valve body disposed inside the valve housing and driven by a solenoid. A valve seat member having a tubular shape and including a valve seat on which the valve body is seatable is press-fitted into the valve housing, and at least the valve seat of the valve seat member is harder than the valve housing.
Claims3
A capacity control valve comprising:
- a valve housing in which a flow passage is formed;
- and
- a valve body disposed inside the valve housing and driven by a solenoid,
- wherein a valve seat member having a tubular shape and including a valve seat on which the valve body is seatable is press-fitted into the valve housing,
- an outer peripheral surface of the valve seat member has a tapered surface that is tapered in a direction of press-fitting of the valve seat member into the valve housing,
- at least the valve seat of the valve seat member is harder than the valve housing,
- wherein the valve housing is provided with a receiving portion that receives an insertion end portion of the valve seat member,
- the receiving portion is formed by an inner peripheral surface of the valve housing and has an inner diameter which becomes smaller toward a bottom of the receiving portion, and
- the insertion end portion of the valve seat member has an end surface which is on a leading edge in the direction of press-fitting of the valve seat member and which is brought into contact with the receiving portion.
6 more elements
Dependencies are inferred from the claim text.