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US 2026/0266378 A1Published application
Valve device
AssigneeZhejiang Sanhua Automotive Components Co., Ltd.
InventorsXutao PAN, Jiawei XU
Life of this patent
Estimating the term…
Abstract
A valve device is provided. A valve seat component of the valve device is provided with a step portion, and a lower end face of a sealing pad abuts against the step portion. A first circulation passage is provided between the lower end face of the sealing pad and the step portion, and the first circulation passage can be communicated with a space or gap formed between the sealing pad and the valve seat component.
Claims20
A valve device, comprising:
- a valve needle;
- a valve seat component;
- and
- a sealing gasket installed on the valve seat component, wherein
- the sealing gasket is provided with a valve port, and the valve needle is configured to cooperate with the sealing gasket to adjust a flow area of the valve port;
- and
- the valve seat component is provided with a stepped portion, the sealing gasket has a lower end surface abutting against the stepped portion, a first flow passage is formed between the lower end surface of the sealing gasket and the stepped portion, and the first flow passage is configured to be in communication with a space or a gap formed between the sealing gasket and the valve seat component.
4 more elements
A valve device, comprising:
- a valve needle;
- a valve seat component;
- and
- a sealing gasket installed on the valve seat component, wherein
- the sealing gasket is provided with a valve port, and the valve needle is configured to cooperate with the sealing gasket to adjust a flow area of the valve port;
- and
- the valve seat component is provided with a stepped portion the sealing gasket has a lower end surface abutting against the stepped portion, the valve device is provided with a second flow passage, the second flow passage is configured to be in communication with a space or the gap formed between the sealing gasket and the valve seat component.
4 more elements
Dependencies are inferred from the claim text.