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Improved filtering device for the fuel pump of a vehicle

A technology of filter device and fuel pump, which is applied in the direction of filtration and separation, fixed filter element filter, charging system, etc., can solve the problems of large industrial investment and cost of filter

Active Publication Date: 2015-01-07
GVS SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

All this involves significant industrial investment and costs for filter production

Method used

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  • Improved filtering device for the fuel pump of a vehicle
  • Improved filtering device for the fuel pump of a vehicle
  • Improved filtering device for the fuel pump of a vehicle

Examples

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Embodiment Construction

[0025] According to said drawings, and in particular figure 1 , 2 and 4, a filter device (or filter for short) according to the present invention is denoted as a whole by 1 and comprises two (originally flat) plates 3 and 4 joined together along their circumferential edges 3A and 4A respectively. Body 2 of the limitation. The joining between the edges 3A and 4A of the plates 3 and 4 is achieved by welding (eg welding, ultrasonic welding, radio frequency welding, linear vibration welding, etc.), adhesive bonding, or other known methods. Each plate defining the body 2 is a known filter material (such as single or multilayer nonwovens in different combinations, woven nets, or in the form of a grid or with different textures, and / or individually or pairs of various types of cellulose) and is capable of filtering contained in a fuel tank (not shown) before the fuel flows to the suction side of a pump 7 (not shown) connected to the vehicle's engine in a conventional fuel injection...

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Abstract

A filtering device for use in filtering fluids used in a vehicle such as its fuel, in which case the device is to be positioned on the suction side of a vehicle fuel pump, or in filtering a lubricant used in the vehicle, the device including a filter body presenting two opposing panels joined together to define a closed internal cavity, in one of the panels there being provided an aperture, the fluid filtered in passing through the body penetrating into the cavity, in this latter a spacer being positioned to maintain the panels separated and prevent their mutual contact. The spacer is of open-cell polymer foam material.

Description

technical field [0001] The invention relates to a filter device according to the appended claims. Background technique [0002] In particular, but not exclusively, fuel filtration devices (or simply "filters") are known to be typically located on the suction side of a pump associated with a vehicle's fuel tank. In this way, the pump draws fuel from the tank, which is suitably filtered with the filter before passing through the pump and delivered to the engine. [0003] Filters of this type generally comprise a body defined by two plates joined together to define an internally closed filter chamber. The cavity is connected to the suction side of the pump via an orifice in one of these plates. In order for the filter to function properly, the two panels (defined by a single filter element that folds over itself and is closed sideways, or by two opposing filter elements that are joined together along the sides) must maintain The separation allows the fuel filtered by the fil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D35/027
CPCB01D35/005B01D35/0273B23P19/04F02M2037/228F02M37/50Y10T29/49826B01D35/027F02M37/22B01D29/00
Inventor 马可·斯卡利亚里尼
Owner GVS SPA