Fluid management assembly and thermal management system

Patent metadata

Field	Value
Publication number	US-11933427-B2
Application number	US-202017622472-A
Country	US
Kind code	B2
Filing date	Jun 19, 2020
Priority date	Jun 24, 2019
Publication date	Mar 19, 2024
Grant date	Mar 19, 2024

Abstract

A fluid management assembly and a thermal management system. The fluid management assembly has a first chamber and a first valve core located in the first chamber. The fluid management assembly has a throttle chamber. The first valve core has a conduction channel. The first chamber can communicate with other portions by means of a throttle channel or the conduction channel.

First claim

The invention claimed is:

1. A fluid management assembly, comprising a first valve core and a valve body, wherein the first valve core has a conduction passage, the fluid management assembly comprises a throttle chamber, the fluid management assembly comprises a first passage, a first chamber and a second chamber, the first chamber is configured to be in communication with the second chamber through the first passage, the first passage is provided with a first opening of the first passage in a wall of the second chamber, the first valve core is located in the first chamber and is able to act in the first chamber; the second chamber is formed in the valve body; the fluid management assembly comprises a first flow passage, a second flow passage, a third flow passage and a fourth flow passage, the first flow passage is in communication with the first chamber, the second flow passage is formed in the valve body, and the second flow passage is in communication with the second chamber; the third flow passage is provided with a first opening of the third flow passage on the wall of the second chamber; and
the first valve core comprises a first operation position and a second operation position, in the first operation position of the first valve core, the conduction passage is configured to communicate the first chamber with the fourth flow passage; in the second operation position of the first valve core, the throttle chamber is configured to communicate the first chamber with the second chamber.

2. The fluid management assembly according to claim 1 , wherein the first valve core further comprises a third operation position and/or a fourth operation position, in the third operation position of the first valve core, the throttle chamber is configured to communicate the first chamber with the fourth flow passage; in the fourth operation position of the first valve core, the conduction passage is configured to communicate the first chamber with the second chamber.

3. The fluid management assembly according to claim 1 , wherein the fluid management assembly comprises a valve bonnet, the valve body comprises a first opening portion, at least part of the valve bonnet is located in a chamber formed by the first opening portion, the valve bonnet is fixedly connected to the first opening portion, a connection between the valve bonnet and the first opening portion is sealed; the fourth flow passage comprises a first conduction passage, the first conduction passage is formed in the valve bonnet, and the first conduction passage is provided with a first opening of the first conduction passage in an inner end wall of the valve bonnet.

4. The fluid management assembly according to claim 3 , wherein the first conduction passage is provided with a second opening of the first conduction passage in a side wall of the valve bonnet, the valve body comprises a first valve body and a second valve body, the first valve body comprises a first through hole, a first wall and the first opening portion, the first through hole is provided with a first opening of the first through hole in the first opening portion, the first opening of the first through hole is arranged opposite to the second opening of the first conduction passage, and the first through hole is provided with a second opening of the first through hole in the first wall; the second valve body comprises a second opening portion, a second wall and a second through hole, the first wall is arranged in contact or with a gap to the second wall, the second through hole is provided with a first opening of the second through hole in the second wall, the second through hole is provided with a second opening of the second through hole in a wall of the second opening portion, the first opening of the second through hole is arranged opposite to the second opening of the first through hole, the first through hole is in communication with the second through hole, and the fourth flow passage comprises the first conduction passage, the first through hole and the second through hole;
or the first conduction passage is provided with the second opening of the first conduction passage in an outer end wall of the valve bonnet, and the fourth flow passage comprises the first conduction passage.

5. The fluid management assembly according to claim 3 , wherein the fluid management assembly comprises a conduction pipe, at least part of the conduction pipe is located in the second chamber, the second flow passage comprises a chamber of the conduction pipe, and a first port of the conduction pipe is in communication with the second chamber; and
the valve body comprises the first passage, a side wall of the second chamber comprises a first sub-portion and a second sub-portion, the second sub-portion is located between a top wall of the second chamber and the first port of the conduction pipe in an axial direction of the conduction pipe, the first passage is provided with the first opening of the first passage in the second sub-portion and/or the top wall of the second chamber, and the first passage is provided with a second opening of the first passage in a bottom wall of the first opening portion.

6. The fluid management assembly according to claim 5 , wherein a first cross section is defined, the first cross section is perpendicular to an axis of the conduction pipe, an axis of the first passage is located in the first cross section, an intersecting line between the first passage and the first cross section comprises a first side line and a second side line, an intersecting line between the side wall of the second chamber and the first cross section is a first loop line, an intersecting line between an outer wall of the conduction pipe and the first cross section is a second loop line, and an extension line of the first side line and an extension line of the second side line in a radial direction of the first loop line are located on the same side of the second loop line.

7. The fluid management assembly according to claim 6 , wherein a bottom wall of the second chamber comprises a first bottom wall and a second bottom wall, a distance between the first bottom wall and the first port of the conduction pipe in the axial direction of the conduction pipe is less than a distance between the second bottom wall and the first port of the conduction pipe in the axial direction of the conduction pipe, and the first port of the conduction pipe faces the first bottom wall; and
in the axial direction of the conduction pipe, the first sub-portion is located between the first bottom wall and the second bottom wall, and the third flow passage is provided with the first opening of the third flow passage in the first bottom wall and/or the first sub-portion.

8. The fluid management assembly according to claim 1 , wherein the valve body comprises a second opening portion, the third flow passage comprises a chamber formed by the second opening portion, the chamber formed by the second opening portion comprises a throttling portion and a communication portion, the third flow passage is provided with the first opening of the third flow passage in the wall of the second chamber, the throttling portion is in communication with the first opening of the third flow passage, and the communication portion is provided with a second opening of the third flow passage in an outer wall of the valve body.

9. The fluid management assembly according to claim 8 , wherein the third flow passage comprises the throttling portion and the communication portion, the throttling portion is provided with a first opening of the second opening portion in the wall of the second chamber; or the third flow passage further comprises a conduction portion, the throttling portion is located between the communi

Assignees

• Zhejiang Sanhua Intelligent Controls Co Ltd

Inventors

• Geng Senrun
• Gunther Alfred
• Yong Xu
• Zhenshan Zhu
• Zhang Rongrong

Classifications

• B60H1/00485

  Valves for air-conditioning devices, e.g. thermostatic valves · CPC title

• F16K5/0605 Primary

  with particular plug arrangements, e.g. particular shape or built-in means · CPC title

• F16K5/12

  Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve · CPC title

• F16K5/20

  for plugs with spherical surfaces · CPC title

• F16K11/0873

  the plug being only rotatable around one spindle · CPC title