Invention Grant
- Patent Title: Hydraulic system
- Patent Title (中): 液压系统
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Application No.: US13278939Application Date: 2011-10-21
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Publication No.: US08943819B2Publication Date: 2015-02-03
- Inventor: Michael L. Knussman
- Applicant: Michael L. Knussman
- Applicant Address: US IL Peoria
- Assignee: Caterpillar Inc.
- Current Assignee: Caterpillar Inc.
- Current Assignee Address: US IL Peoria
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner LLP
- Main IPC: F15B11/17
- IPC: F15B11/17 ; F15B7/00 ; E02F9/22

Abstract:
A hydraulic system includes a variable displacement first pump, a first linear actuator fluidly connected to the first pump via a first closed-loop circuit, a variable displacement second pump, and second and third linear actuators fluidly connected to the second pump in parallel via a second closed-loop circuit. The system also includes a variable displacement third pump, a fourth linear actuator fluidly connected to the third pump via a third closed-loop circuit, a variable displacement fourth pump, and a first rotary actuator fluidly connected to the fourth pump via a fourth closed-loop circuit. The system further includes a second rotary actuator fluidly connected to the second pump in parallel with the second and third linear actuators. The system also includes a third rotary actuator fluidly connected to the third pump in parallel with the fourth linear actuator.
Public/Granted literature
- US20130098018A1 HYDRAULIC SYSTEM Public/Granted day:2013-04-25
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