Title:
ROTARY TYPE FLUID MACHINE
Document Type and Number:
Japanese Patent JP2014240634
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a rotary type fluid machine that is improved in reliability by making better a lubrication state of an engagement part between a piston and a vane.SOLUTION: A compression mechanism 102 of a rotary type fluid machine 100 includes a first cylinder 5 and a second cylinder 15, a first piston 8 and a second piston 28, an upper bearing member 6 and a lower bearing member 7, a partition plate 38, and a first vane 32 and a second vane 33. Engagement parts 80, 81 are constituted by engaging tips 32a, 33a of the vanes 32, 33 with engagement grooves 8b, 28b formed in the pistons 8, 28, which are thereby connected to the vane 32, 33 to freely swing. The upper bearing member 6 is provided with an annular groove 6b, the lower bearing member 7 is provided with an annular groove 7b, and the partition plate 38 is provided with a space between a through hole 38a and a shaft 4, as a lubricant holding part, respectively. The engagement 80 or 81 is configured to face a lubricating oil holding part during one cycle of revolving motion of the piston 8, 28.
Inventors:
SHIOTANI MASARU
NAKAI HIROAKI
YOSHIDA HIROFUMI
OYAGI SHINGO
KARINO TAKESHI
NAKAI HIROAKI
YOSHIDA HIROFUMI
OYAGI SHINGO
KARINO TAKESHI
Application Number:
JP2013123501A
Publication Date:
December 25, 2014
Filing Date:
June 12, 2013
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
F04C29/02; F04C18/324; F04C23/00; F04C29/00
Attorney, Agent or Firm:
Yoshiaki Tokuda
Nomura Koichi
Nomura Koichi