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Patent Searching and Data


Title:
RECIPROCATING COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2016/017259
Kind Code:
A1
Abstract:
A balance weight (21) comprises: a main weight section (22) located within the range between an arc-shaped peripheral edge (22C) centered on the rotation shaft hole (24) side and a pair of imaginary end faces (22D) located on both sides of the arc-shaped peripheral edge (22C) with the rotation shaft hole (24) sandwiched between the pair of imaginary end faces (22D); a pair of extension weight sections (23) extending from the pair of imaginary end faces (22D) of the main weight section (22) in the direction opposite the arc-shaped peripheral edge (22C) with the rotation shaft hole (24) sandwiched between the pair of extension weight sections (23); the rotation shaft hole (24) located on the center side of the arc-shaped peripheral edge (22C) and provided in the main weight section (22); a crankshaft mounting protrusion (25) provided protruding from the rotation shaft hole (24) in the direction opposite the arc shape; a crankshaft hole (26) provided in the crankshaft mounting protrusion (25) so as to be radially eccentric relative tothe rotation shaft hole (24);and a pair of air gaps (27), which are each formed between each of the sides of the crankshaft mounting protrusion (25) and one of the pair of extension weight sections (23).

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Inventors:
ITO TSUTOMU (JP)
FUKUDOME HIROSHI (JP)
HARADA NAOFUMI (JP)
Application Number:
JP2015/065408
Publication Date:
February 04, 2016
Filing Date:
May 28, 2015
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F04B35/01; F04B39/06; F16C9/02; F16C37/00
Foreign References:
US20040141855A12004-07-22
JPH062657A1994-01-11
JP2005171914A2005-06-30
JPH04164166A1992-06-09
JP2014114724A2014-06-26
JP2005513326A2005-05-12
Attorney, Agent or Firm:
HIROSE KAZUHIKO (JP)
Kazuhiko Hirose (JP)
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