Driver and control valve

Patent metadata

Field	Value
Publication number	US-12498047-B2
Application number	US-202318542610-A
Country	US
Kind code	B2
Filing date	Dec 16, 2023
Priority date	Jun 24, 2021
Publication date	Dec 16, 2025
Grant date	Dec 16, 2025

Abstract

A driver and a control valve are provided. The control valve includes a valve body, a first valve core and a second valve core. The valve body provided with a valve cavity. A side wall of the valve body is provided with a plurality of communicating holes, and the communicating hole penetrates through the side wall of the valve body and is in communicate with the valve cavity. The first valve core is rotatably disposed at one end of the valve cavity, the first valve core is provided with a plurality of first passages and a plurality of second passages on a circumferential side of the first valve core. The second valve core is rotatably disposed at the other end of the valve cavity, and the second valve core is coaxially disposed with the first valve core, and the second valve core is coaxially disposed with the first valve core.

First claim

What is claimed is:

1 . A control valve comprising a valve body provided with a valve cavity, wherein a plurality of communicating holes are provided in a side wall of the valve body, the plurality of communicating holes penetrate through the side wall of the valve body and are in communication with the valve cavity;
a first valve core is rotatably disposed at one end of the valve cavity, the first valve core is provided with a plurality of first passages and a plurality of second passages on a circumferential side of the first valve core; and a second valve core is rotatably disposed at the other end of the valve cavity, and the second valve core is coaxially disposed with the first valve core, the second valve core is provided with a third passage; the plurality of communicating holes comprise a plurality of first flow channels and a plurality of second flow channels; on a condition that the first valve core is rotated by a first predetermined angle, each of the plurality of first passages is capable of being in communication with corresponding two of the plurality of first flow channels and each of the plurality of second passages is capable of being in communication with corresponding one of the plurality of first flow channels; on a condition that the second valve core is rotated by a second predetermined angle, the third passage is capable of being in communication with one or two of the plurality of second flow channels and the third passage is capable of being correspondingly in communication with the plurality of second passages, so that one of the plurality of first flow channels is correspondingly in communication with one or two of the plurality of second flow channels through the plurality of second passages and the third passage.

2 . The control valve of claim 1 , wherein the number of the plurality of first flow channels is 2n, wherein n is greater than or equal to 2, the number of the plurality of second flow channels is 2;
each of the plurality of first passages is capable of being in communication with different two of the plurality of first flow channels to form less than or equal to n−1 two-way flow paths, and one of the plurality of first flow channels is capable of being in communication with one of the plurality of second flow channels through corresponding one of the plurality of second passages and the third passage to form a two-way flow path; or, each of the plurality of first passages is capable of being in communication with different two of the plurality of first flow channels to form less than or equal to n−1 two-way flow paths, and one of the plurality of first flow channels is capable of being in communication with two of the plurality of second flow channels through corresponding one of the plurality of second passages and the third passage to form a three-way flow path.

3 . The control valve of claim 2 , wherein the plurality of communicating holes are distributed in two rows in the valve body, each row of the plurality of communicating holes comprises n of the plurality of first flow channels and one of the plurality of second flow channels, and wherein two of the plurality of second flow channels corresponding to two rows are disposed at the same end of the valve body.

4 . The control valve of claim 1 , wherein the first valve core is a columnar structure, the first valve core is provided with a plurality of cut-off grooves, each of the plurality of the cut-off grooves is capable of closing corresponding one of the plurality of first flow channels, the plurality of first passages comprise a plurality of axial two-way slots and a plurality of circumferential two-way slots, each of the plurality of axial two-way slots is capable of being correspondingly in communication with two of the plurality of first flow channels disposed in an axial direction of the valve body, each of the plurality of circumferential two-way slots is capable of being correspondingly in communication with two of the plurality of first flow channels disposed in a circumferential direction of the valve body;
the first valve core comprises a first fan-shaped section, a second fan-shaped section, a third fan-shaped section, a fourth fan-shaped section and a fifth fan-shaped section having a fan-shaped cross-section and sequentially interconnected along a circumferential direction of the first valve core; one end of the first fan-shaped section away from the second valve core is provided with two of the plurality of circumferential two-way slots distributed along the circumferential direction of the valve body, and the other end of the first fan-shaped section adjacent to the second valve core is provided with one of the plurality of axial two-way slots, one of the plurality of cut-off grooves, and one of the plurality of second passages, wherein the one of the plurality of axial two-way slots is located on a side of the first fan-shaped section adjacent to the second fan-shaped section, both the one of the plurality of cut-off grooves and the one of the plurality of second passages are located along the axial direction of the first valve core and on a side of the first fan-shaped section adjacent to the fifth fan-shaped section, and the one of the plurality of second passages is adjacent to the second valve core; the second fan-shaped section is in mirror image symmetry with the first fan-shaped section; the third fan-shaped section is provided with one of the plurality of axial two-way slots, one of the plurality of cut-off grooves and one of the plurality of second passages in a direction from away from the second valve core to towards the second valve core; the fourth fan-shaped section is provided with two of the plurality of axial two-way slots in sequence in a direction from away from the second valve core to towards the second valve core; and the fifth fan-shaped section is provided with one of the plurality of axial two-way slots, one of the plurality of cut-off grooves and one of the plurality of second passages in a direction from away from the second valve core to towards the second valve core.

5 . The control valve of claim 1 , wherein the valve body comprises a side wall portion and a mounting portion, the side wall portion of the valve body is a side wall of the valve cavity or at least a part of the side wall of the valve cavity, the plurality of communicating holes are located in the side wall portion of the valve body, one side of the mounting portion of the valve body is fixedly connected to the side wall portion of the valve body, and the other side, away from the side wall portion, of the mounting portion of the valve body is provided with a mounting plane, and the mounting plane is provided with a valve port correspondingly in communication with the plurality of communicating holes.

6 . The control valve of claim 5 , further comprising a sealing gasket, wherein the sealing gasket is disposed between the first valve core and the side wall portion of the valve body, the sealing gasket is provided with a notch correspondingly in communication with the plurality of first flow channels, one surface of the sealing gasket in a thickness direction of the sealing gasket is in contact with and sealing fit with a surface of the first valve core, and the other surface of the sealing gasket in the thickness direction of the sealing gasket is sealingly connected to an inner surface of the side wall portion of the valve body.

7 . The control valve of claim 5 , further comprising a sealing cylinder, wherein the sealing cylinder is disposed between the second valve core and the side wall portion of the valve body, the sealing cylinder is correspondingly in communication with the plurality of second flow channels and the third passage, one end of the sealing cylind

Assignees

• Zhejiang Dunan Artificial Env Co Ltd

Inventors

• Feng Zhongbo
• Wang Junjie
• Wang Fugang
• Sha Haijian

Classifications

• F16K31/041

  for rotating valves (F16K31/055 takes precedence) · CPC title

• F16K31/535 Primary

  for rotating valves (F16K31/54 takes precedence) · CPC title

• F16K31/53

  with toothed gearing · CPC title

• F16K31/04

  using a motor · CPC title

• F16K41/02

  with stuffing-box {; Sealing rings} · CPC title