Scroll compressor with oil management system

Patent metadata

Field	Value
Publication number	US-10605243-B2
Application number	US-201816047675-A
Country	US
Kind code	B2
Filing date	Jul 27, 2018
Priority date	Jun 27, 2013
Publication date	Mar 31, 2020
Grant date	Mar 31, 2020

Abstract

A compressor is provided and may include a shell, a main bearing housing disposed within the shell, a driveshaft, a non-orbiting scroll member, and an orbiting scroll member. The driveshaft may be supported by the main bearing housing. The non-orbiting scroll member may be coupled to the main bearing housing and may include a first lubricant supply path in fluid communication with a lubricant source. The orbiting scroll member may be rotatably coupled to the driveshaft and may be meshingly engaged with the non-orbiting scroll member. The orbiting scroll member may include a recess that is moved between a first position in fluid communication with the first lubricant supply path and a second position fluidly isolated from the first lubricant supply path.

First claim

What is claimed is:

1. A compressor comprising:
a shell;
a main bearing housing disposed within said shell;
a driveshaft supported by said main bearing housing;
a non-orbiting scroll member coupled to said main bearing housing and having a first surface defining a first lubricant recess; and
an orbiting scroll member rotatably coupled to said driveshaft and meshingly engaged with said non-orbiting scroll member, said orbiting scroll member including a second lubricant recess and a lubricant supply path that is fluidly isolated from said second lubricant recess, said orbiting scroll member movable between a first position in which said second lubricant recess is in fluid communication with said first lubricant recess and a second position in which said second lubricant recess is fluidly isolated from said first lubricant recess.

2. The compressor of claim 1 , wherein said second lubricant recess is moved between said first position and said second position based on a relative position of said orbiting scroll member and said non-orbiting scroll member.

3. The compressor of claim 2 , wherein said relative position of said orbiting scroll member and said non-orbiting scroll member is based on rotation of said driveshaft.

4. The compressor of claim 1 , wherein said lubricant supply path fluidly coupling said first lubricant recess to a lubricant source.

5. The compressor of claim 4 , wherein said lubricant supply path is formed in said orbiting scroll member.

6. The compressor of claim 4 , wherein said lubricant supply path is substantially perpendicular to a longitudinal axis of said driveshaft.

7. The compressor of claim 1 , wherein said second lubricant recess is operable to fluidly communicate with at least one compression pocket formed between said non-orbiting scroll member and said orbiting scroll member.

8. The compressor of claim 1 , wherein said second lubricant recess is operable to fluidly communicate with a low-pressure zone compression pocket formed between said non-orbiting scroll member and said orbiting scroll member.

9. The compressor of claim 8 , wherein said second lubricant recess is in fluid communication with said first lubricant recess and said low-pressure zone compression pocket when said orbiting scroll member is in said first position.

10. The compressor of claim 9 , wherein a pressure differential between said second lubricant recess and said low-pressure zone compression pocket causes lubricant in said second lubricant recess to enter said low-pressure zone compression pocket.

11. The compressor of claim 1 , wherein said first surface of said non-orbiting scroll member includes a channel operable to selectively place said second lubricant recess in fluid communication with compression pockets formed between said non-orbiting scroll member and said orbiting scroll member.

12. The compressor of claim 11 , wherein said channel includes an arcuate shape.

13. The compressor of claim 11 , wherein a first end of said channel is adjacent to said first lubricant recess and a second end of said channel is adjacent to an outer end of a wrap of said non-orbiting scroll member.

14. The compressor of claim 13 , wherein said second lubricant recess is operable to fluidly communicate with said first end of said channel, and wherein said second end of said channel is operable to fluidly communicate with a low-pressure zone compression pocket.

15. The compressor of claim 14 , wherein a pressure differential between said second end of said channel and said low-pressure zone compression pocket causes lubricant in said second end to enter said low-pressure zone compression pocket.

16. The compressor of claim 15 , wherein said channel includes an arcuate shape.

17. A compressor comprising:
a shell;
a main bearing housing disposed within said shell;
a driveshaft supported by said main bearing housing;
a non-orbiting scroll member coupled to said main bearing housing and having a first surface defining a first lubricant recess; and
an orbiting scroll member rotatably coupled to said driveshaft and meshingly engaged with said non-orbiting scroll member to form compression pockets, said orbiting scroll member including a second lubricant recess and movable between a first position in which said second lubricant recess is in fluid communication with said first lubricant recess and one of said compression pockets, and a second position in which said second lubricant recess is fluidly isolated from said first lubricant recess and in fluid communication with said one of said compression pockets.

18. The compressor of claim 17 , wherein said one of said compression pockets is in a low-pressure zone.

19. The compressor of claim 17 , further comprising a lubricant supply path fluidly coupling said second lubricant recess to a lubricant source.

20. The compressor of claim 19 , wherein said lubricant supply path is formed in said orbiting scroll member.

Assignees

• Emerson Climate Technologies

Inventors

• Akei Masao
• Doepker Roy J
• Zhou Guangyong
• Sun Qingfeng
• Shu Hongfei

Classifications

• F04C18/0253

  Details concerning the base · CPC title

• F04C29/028 Primary

  Means for improving or restricting lubricant flow · CPC title

• F04C18/0292

  Ports or channels located in the wrap · CPC title

• F04C27/009

  Shaft sealings specially adapted for pumps · CPC title

• F04C18/0215

  where only one member is moving · CPC title