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Solenoid valve assembly for a seat of a vehicle

A solenoid valve assembly and armature technology, applied in vehicle seats, vehicle components, special positions of vehicles, etc., can solve the problems of reducing plunger acceleration, delaying plunger movement, and weakening plunger movement.

Active Publication Date: 2014-03-26
LEAR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the movement of the plunger is weakened due to friction
Additionally, the vent passage in the wear strip allows air to pass therethrough, which reduces the acceleration of the plunger and thus delays the movement of the plunger to the desired position

Method used

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  • Solenoid valve assembly for a seat of a vehicle
  • Solenoid valve assembly for a seat of a vehicle
  • Solenoid valve assembly for a seat of a vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Referring to the drawings, in which like reference numerals denote like or corresponding parts throughout the several views, figure 1 A seat assembly 20 for a vehicle (not shown) is generally shown.

[0022] also refer to figure 2 , the seat assembly 20 includes a seat frame 22 . The seat assembly 20 may include a seat with a seat frame 22 disposed within the seat. More specifically, the seat may include a back for supporting the user's back and a bottom for supporting the user's legs. The seat frame 22 may be disposed within the back and / or bottom of the seat. It should be understood that the seat frame 22 may be of any suitable configuration.

[0023] Seat assembly 20 includes an air bag 24 coupled to seat frame 22 . The airbag defines an expanded position when the airbag 24 is inflated and a deflated position when the airbag 24 is deflated. It should be understood that the balloon 24 may be partially inflated and partially deflated. Thus, the expanded positio...

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PUM

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Abstract

The present invention provides for a solenoid valve assembly including a housing (32) defining a cavity (34). A support (48) is disposed in the cavity and defines a bore (50). A coil (60) is disposed about the support and defines an energized state for generating a magnetic field and a de-energized state. A plunger (74) is movably disposed in the bore of the support between a first position engaging the housing and a second position spaced from the housing. The plunger is radially spaced from the support to define a gap (76) between the plunger and the support. A dampener (86) is coupled to one of the support and the plunger adjacent the gap to prevent direct engagement between the support and the plunger as the plunger moves between the first and second positions during the energized and de-energized states for reducing noise during operation.

Description

technical field [0001] The present invention relates to a seat assembly for a vehicle, and more particularly to a solenoid valve assembly for a seat of a vehicle. Background technique [0002] Solenoid valves are well known in the art. Some solenoid valves include a plunger that moves in response to a magnetic field. A common problem with solenoid valves with plungers is undesired noise. Accordingly, various designs have been developed in an attempt to reduce the undesired noise. For example, one such type of solenoid valve is disclosed in US Patent No. 5,663,700 to Spence et al. (the '700 patent). The '700 patent discloses a solenoid valve including a plunger movable through a tube. A pair of wear bands are disposed around the periphery of the plunger. The wear band forms a seal with the tube wall of the tube. As such, as the plunger moves, the wear band engages the tube wall, which creates a frictional force that must be overcome to move the plunger to the desired po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/06H01F7/08B60N2/90
CPCH01F7/088F16K31/0686F16K31/0696F16K27/029F16K31/0658H01F7/1607B60N2/4415B60N2/914B60N2/7082
Inventor 本特·赫尔曼松
Owner LEAR CORP
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