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Automated hydraulic power system and a method of operating an automated hydraulic power system

A hydraulic system and hydraulic technology, applied in the field of automatic hydraulic power system and operation automatic hydraulic power system, can solve the problems of fuel efficiency reduction, fuel efficiency reduction, etc.

Inactive Publication Date: 2012-11-21
VOLVO CONSTR EQUIP AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During high hydraulic load conditions, while the user may be expected to operate the engine at high speeds, which in turn results in a reduction in fuel efficiency, if the user maintains high engine speeds during lower hydraulic load conditions, an unnecessary reduction in fuel efficiency may occur

Method used

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  • Automated hydraulic power system and a method of operating an automated hydraulic power system
  • Automated hydraulic power system and a method of operating an automated hydraulic power system
  • Automated hydraulic power system and a method of operating an automated hydraulic power system

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Embodiment Construction

[0017] figure 1 and image 3 A hydraulic power system 10 according to one embodiment of the invention is shown. As shown, the hydraulic power system includes: an engine 20, a pump box 30, a plurality of hydraulic clutch assemblies 40, a plurality of hydraulic pumps 60, and a plurality of valves 70, a plurality of sensors 80-82, a hydraulic fluid reservoir 85, A clutch actuates a pump 86 , and one or more electronics 90 , and a plurality of hydraulic actuators 100 .

[0018] now turn figure 1 , shows an engine 20 according to one embodiment. According to an aspect of the present embodiment, the engine 20 is configured to mechanically power the pump box 30 . Such as figure 1 As shown, engine 20 includes an output shaft 21 that transmits torque to pump case 30 . Those of ordinary skill in the art will appreciate that any shape and configuration of output shaft 21 capable of transmitting torque to pump casing 30 may be provided within the scope of the present invention.

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PUM

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Abstract

The present a hydraulic system and a method for operating a hydraulic system that includes an engine, at least one hydraulic pump, a pump box interposed between the engine and the at least one hydraulic pump, at least one hydraulic clutch pack interposed between the pump box and the at least one hydraulic pump, at least one valve, a hydraulic fluid reservoir, a clutch actuation pump, and one or more electronics. The at least one hydraulic clutch pack selectively transmits torque to the at least one hydraulic pump. The at least one valve may be opened to supply pressurized hydraulic fluid to the at least one clutch pack and may be closed to interrupt a supply of pressurized hydraulic fluid to the at least one clutch pack in order to selectively engage or disengage the clutch pack.

Description

technical field [0001] The present invention relates to an automated hydraulic power system and a method of operating an automated hydraulic power system. Background technique [0002] Many types of equipment and machinery utilize hydraulic power, such as that produced by hydraulic pumps, as a drive system for various components. Machinery and equipment such as construction equipment may typically include a pump box that receives mechanical power from an engine and outputs that mechanical power to a number of hydraulic pumps that are driven by hydraulic pressure including, for example, hydraulic cylinders and hydraulic pumps. Multiple hydraulic actuators for motors. [0003] One problem that arises with hydraulic power systems occurs during cold weather starting conditions. During cold weather starts, increased hydraulic fluid viscosity and the associated hydraulic loading of the hydraulic pumps can lead to difficulty starting the engine. Therefore, the hydraulic power sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H61/38
CPCF04C2/10F04C14/06F04C15/0061F04C2270/701
Inventor 小弗朗西斯·爱德华·帕尼奥塔
Owner VOLVO CONSTR EQUIP AB
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