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Patent Searching and Data


Title:
HYDRAULIC CONTROL SYSTEM HAVING ENERGY RECOVERY KIT
Document Type and Number:
WIPO Patent Application WO/2013/003050
Kind Code:
A3
Abstract:
An energy recovery retrofit kit for a hydraulic control system (50) is disclosed. The energy recover retrofit kit may have at least one of a first accumulator (108) and a second accumulator (110). The energy recover retrofit kit may also have a recovery valve block (106) fluidly connectable between an existing pump (58) and an existing motor (49) of the hydraulic control system. The recovery valve block may be configured to selectively fluidly communicate at least one of the first and second accumulators with the existing motor.

Inventors:
MA PENGFEI (US)
ZHANG JIAO (US)
SHANG TONGLIN (US)
SPRING PETER (US)
CHEN DAYAO (US)
SYED SALIK (US)
FERRAZ JOHN (US)
PETERSON RANDAL (US)
Application Number:
US2012/042354
Publication Date:
April 25, 2013
Filing Date:
June 14, 2012
Export Citation:
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Assignee:
CATERPILLAR INC (US)
MA PENGFEI (US)
ZHANG JIAO (US)
SHANG TONGLIN (US)
SPRING PETER (US)
CHEN DAYAO (US)
SYED SALIK (US)
FERRAZ JOHN (US)
PETERSON RANDAL (US)
International Classes:
F15B21/14; E02F9/22; F15B13/043; F15B15/18
Foreign References:
US7269944B22007-09-18
US7908852B22011-03-22
US6971463B22005-12-06
US20070199604A12007-08-30
US20070044647A12007-03-01
Attorney, Agent or Firm:
SPILLMAN, M. Daniel et al. (100 N.E. Adams Street, Peoria, IL, 61629-9510, US)
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