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Filter Top shell,filter and method for manufacturing a filter top shell

A filter and bearing pad technology, applied in the field of manufacturing upper bearing pads of filters, can solve problems such as being unable to withstand high loads, damage to filters or filter housings, etc., to avoid component failure and simplify fixing.

Inactive Publication Date: 2014-06-04
ZF FRIEDRICHSHAFEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Welded spots constitute weak points which cannot withstand the high loads described due to the material properties of the plastic
As a result, the filter or filter housing may be damaged

Method used

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  • Filter Top shell,filter and method for manufacturing a filter top shell
  • Filter Top shell,filter and method for manufacturing a filter top shell
  • Filter Top shell,filter and method for manufacturing a filter top shell

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] Figures 1A-1E Various views of a filter top shell 1 for a transmission oil filter according to one embodiment are shown. Figure 1A is an isometric view of bearing pad 1 on the filter, Figure 1B is the top view of bearing bush 1 on the filter, Figure 1C It is the bottom view of bearing bush 1 on the filter, Figure 1D is the side view, and Figure 1E It is a partially cut-away front view of the upper bearing bush 1 of the filter. The filter top shell 1 is produced from a plastic material, preferably from glass-fibre-reinforced polyamide (PAGF). A pressure duct 3 with a circular cross section is formed integrally with the filter top shell 1 on the top surface 2 of the filter top shell 1 . The pressure line 3 provides suction boosting to improve the filtering effect and for this purpose has an inlet 4 at which fluid or transmission oil enters the pressure line 3 and an outlet 5 at which the transmission oil delivered via the pressure line 3 flows out again or It f...

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PUM

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Abstract

A filter top shell for an oil filter arranged in a transmission of a motor vehicle, having a pressure conduit arranged on a top side of the filter top shell, and wherein the pressure conduit generates a pressure boost to support a suction power of a pump connected to the filter, and wherein the pressure conduit is formed integrally with the filter top shell. Also proposed is an oil filter for a transmission of a motor vehicle, wherein the filter has a housing with a filter top shell having a pressure conduit and a filter bottom shell connectable thereto. Further, a method for producing a filter top shell for an oil filter arranged in a transmission of a motor vehicle, with an injection-molding process, wherein the filter top shell and a pressure conduit arranged on a top side of the filter top shell are integrally formed.

Description

technical field [0001] The invention relates to a filter top shell according to the preamble of claim 1 , a filter according to the preamble of claim 6 and a method of manufacturing a filter top shell according to the preamble of claim 7 . Background technique [0002] In the transmission of a motor vehicle it is necessary to clean the transmission oil with a filter. A pump is usually provided for conveying the transmission oil flow through the filter. In order to improve the oil delivery, it is known in the prior art to additionally provide a so-called suction boost on the pump or on a filter arranged on the pump. In this case, the transmission oil can be sucked into the filter using the Venturi effect, for which purpose a pressure line through which the transmission oil is provided on the filter, wherein the outlet of the pressure line is arranged at the pump on the suction side and is in fluid-technical active communication with the transmission oil to be delivered or w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D35/027
CPCB01D35/30B01D35/0273F16H57/0404
Inventor M·罗森达尔J·迪茨
Owner ZF FRIEDRICHSHAFEN AG
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