Climbing Robot Vehicle
US-2017313369-A1 · Nov 2, 2017 · US
Suction device
US11577369B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11577369-B2 |
| Application number | US-202016991875-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 12, 2020 |
| Priority date | Aug 19, 2019 |
| Publication date | Feb 14, 2023 |
| Grant date | Feb 14, 2023 |
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- Title
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- Abstract
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- Assignees and inventors
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- Key dates
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- First independent claim
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- CPC / IPC classifications
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Abstract
Official abstract text for this publication.
The present invention relates to a suction device, including a body. A cavity is disposed in the body. The cavity has a closed end face and an open end face. The open end face forms an end face to suck a workpiece. A tangential nozzle is disposed on a sidewall surface of the cavity. An external fluid enters the cavity through the tangential nozzle along a tangential direction of the cavity. A suction hole is disposed on the closed end face. The suction hole is connected to a suction unit. The suction unit sucks the fluid in the cavity through the suction hole. The suction device can suck a workpiece by using both a rotational flow negative pressure and a negative suction pressure of a fluid in the cavity, and therefore can suppress impact of a workpiece surface on a suction force and generate a larger suction force.
First claim
Opening claim text (preview).
The invention claimed is: 1. A suction device, comprising a body, wherein a cavity is disposed in the body, the cavity has a closed end face and an open end face, and the open end face forms an end face used for the suction device to suck a workpiece, wherein a tangential nozzle is disposed on a sidewall surface of the cavity, an external fluid enters the cavity through the tangential nozzle along a tangential direction of the cavity, a suction hole is disposed on the closed end face of the cavity, the suction hole is connected to a suction unit, and the suction unit sucks the fluid in the cavity through the suction hole, wherein the suction flow rate through the suction hole is adjustable, and wherein the body is in direct contact with the workpiece. 2. The suction device according to claim 1 , wherein a throttle apparatus is disposed between the suction unit and the suction hole. 3. The suction device according to claim 1 , wherein the suction unit is a vacuum pump or a jet vacuum generator that has a fluid suction function. 4. The suction device according to claim 2 , wherein a cross-sectional shape of the cavity is circular or approximately circular. 5. The suction device according to claim 2 , wherein the throttle apparatus is a manual ball valve or a proportional solenoid valve or a servo valve. 6. The suction device according to claim 1 , wherein a pressure detection unit is further disposed on the body to monitor the fluid pressure in the cavity, and wherein the body is in direct contact with the workpiece at an outer edge of the open end face.
Assignees
Inventors
Classifications
with air blasts producing partial vacuum · CPC title
having bellows · CPC title
- B25B11/005Primary
Vacuum work holders · CPC title
- B25J15/0616Primary
with vacuum · CPC title
- B25J15/0633Primary
Air-flow-actuated valves · CPC title
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- What does patent US11577369B2 cover?
- The present invention relates to a suction device, including a body. A cavity is disposed in the body. The cavity has a closed end face and an open end face. The open end face forms an end face to suck a workpiece. A tangential nozzle is disposed on a sidewall surface of the cavity. An external fluid enters the cavity through the tangential nozzle along a tangential direction of the cavity. A s…
- Who is the assignee on this patent?
- Univ Zhejiang, Hangzhou Fuya Science And Tech Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification B25B11/005. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 14 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).