Title:
OSCILLATION TYPE ROTARY COMPRESSOR
Document Type and Number:
Japanese Patent JP3473067
Kind Code:
B2
Abstract:
PURPOSE: To improve reliability by a method wherein the whole surfaces of the upper and under surfaces of a piston and a blade part and the whole of a slide contact part between the blade part and a support body to support the blade part are reliably lubricated.
CONSTITUTION: An oil groove 22 having one end released to the inner peripheral surface of a piston 2 and the other end released to the tip part on the protrusion side of a blade part 21 is formed in each of the upper and under surfaces of the piston 2 and the blade part 21. A high pressure chamber 15 communicated to the inner side of the piston 2 through the oil groove 22 is formed on the back pressure side of the blade part 21.
Inventors:
Taiji Yamamoto
Application Number:
JP30792493A
Publication Date:
December 02, 2003
Filing Date:
December 08, 1993
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
F04B39/02; F04C18/32; F04C18/356; F04C29/02; (IPC1-7): F04C18/32; F04C29/02
Domestic Patent References:
| JP61155681A | ||||
| JP4191491A | ||||
| JP4175489A | ||||
| JP5202874A | ||||
| JP5248380A | ||||
| JP5306691A | ||||
| JP5312169A | ||||
| JP56159694U | ||||
| JP48113011U | ||||
| JP4216099B1 |
Other References:
【文献】米国特許3269646(US,A)
【文献】英国特許729281(GB,B)
【文献】英国特許729281(GB,B)
Attorney, Agent or Firm:
Fukami Hisaro (3 outside)