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Reservoir assembly with breathing vent

An oil reservoir, vent technology, applied in vehicle parts, engine components, machines/engines, etc., can solve problems such as expensive

Active Publication Date: 2014-12-24
DEERE & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this assembly is expensive and requires control software and wiring harness integration, and will place an additional hydraulic load on the tractor

Method used

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  • Reservoir assembly with breathing vent
  • Reservoir assembly with breathing vent
  • Reservoir assembly with breathing vent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] refer to figure 1 and figure 2 , the vehicle differential case 10 surrounds the main hydraulic oil reservoir 12 . Left and right sub-reservoirs 14 and 16 are installed outside the vehicle differential case 10 and below corresponding left and right inner bushings 18 and 20 .

[0013] Such as figure 1 and 3 As shown, a main vent hole 17 is formed in an upper portion of the main oil reservoir 12 . The main air duct 19 has a first end 21 communicating with the main exhaust hole 17 , and the main air duct 19 extends from the first end 21 to the second end 23 . The second end 23 may be connected to another vehicle component, such as a gearbox housing (not shown), which has its own vent hole (not shown). The main air duct 19 has a first resistance to air flowing therethrough.

[0014] Such as image 3 As shown, the lower portion of the left secondary reservoir 14 is connected to the lower portion 24 of the main reservoir 12 by a tube 26 and a passage 28 extending throu...

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PUM

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Abstract

A vehicle hydraulic oil reservoir assembly includes a main reservoir and an auxiliary reservoir. The main reservoir has a lower portion and an upper portion. The auxiliary reservoir has a lower portion and an upper portion. The auxiliary reservoir has a port formed in the upper portion thereof. The lower portion of the auxiliary reservoir is communicated with the lower portion of the main reservoir. A breather vent is in communication with atmosphere. A vent pipe communicates the port with the breather vent.

Description

[0001] technical scope [0002] The present disclosure relates to a hydraulic reservoir assembly for a vehicle. Background technique [0003] A utility vehicle, such as a tractor, includes a primary hydraulic reservoir and at least one secondary reservoir. On current production tractors, the secondary reservoir has an air vent that backs up to the upper end of the primary reservoir. With such an arrangement, when a towed implement, such as a truck with a dump cylinder, is connected to the tractor hydraulic system, oil will be drawn from the main reservoir. In this case, the main reservoir oil level will always be lower than the sub reservoir oil level, and the main reservoir can be emptied while unused oil remains in the sub reservoir. If the main reservoir oil level becomes too low, no more oil can be supplied to the dump cylinder and additional unused oil will remain in the secondary reservoir. [0004] Previously, EH valves and additional pumps have been used to ensure t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R16/08
CPCF16H57/045F16H57/037F16H57/0483E02F9/0883Y10T137/3105F16H57/027F02M37/0088B60K15/06B60K2015/03118
Inventor 斯科特·R·威恩斯兰德尔·K·比尔贾罗德·A·莱玛尔
Owner DEERE & CO
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