Throttle valve
AssigneeVanguard International Semiconductor Corporation
InventorReunn-Chang Yang
Life of this patent
Estimating the term…
Abstract
A throttle valve is provided. The throttle valve includes a throttle valve body, a valve plug, a hollow seal and a first scraper. A flow path is formed in the throttle valve body. The valve plug is disposed in the throttle valve body. A notch is formed on the valve plug. By rotating the valve plug, the position of the notch is changed, and the degree of opening of the flow path is modified. The hollow seal is disposed in the throttle valve body. An abutting portion is formed on the hollow seal, and the abutting portion sealably abuts the valve plug. The first scraper is disposed on the valve plug. When the valve plug is rotated, the first scraper abuts the abutting portion to clean the abutting portion.
Claims9
A throttle valve, comprising:
- a throttle valve body, wherein a flow path is formed in the throttle valve body;
- a valve plug, disposed in the throttle valve body, wherein a notch is formed on the valve plug, and by rotating the valve plug, a position of the notch is changed, and a degree of opening of the flow path is modified
- a hollow seal, disposed in the throttle valve body, wherein an abutting portion is formed on the hollow seal, and the abutting portion sealably abuts the valve plug;
- and
- a first scraper, disposed on the valve plug, wherein when the valve plug is rotated, the first scraper abuts the abutting portion to clean the abutting portion, wherein the first scraper is suspended above and across the notch.
Dependencies are inferred from the claim text.