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Disc brake and seal used in the disc brake

A technology of disc brakes and seals, which is applied in the direction of brake components, brake types, brake actuators, etc., can solve the problems of high cost, achieve high chemical resistance, and reduce the effect of effective friction

Active Publication Date: 2016-04-06
LUCAS AUTOMOTIVE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, undesired slippage of the operating piston relative to the seal is facilitated
[0009] The above-mentioned disadvantages can be avoided by complex structural measures or special material selection for the seal, but these measures are very costly

Method used

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  • Disc brake and seal used in the disc brake
  • Disc brake and seal used in the disc brake
  • Disc brake and seal used in the disc brake

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] figure 1 A disc brake 10 for a motor vehicle according to a first embodiment of the invention is shown, wherein the disc brake is hydraulically actuated. exist figure 2 Another embodiment is shown in , which has the same reference numerals as long as it has the same elements. However, they are each prefixed with the number 1.

[0028] The disc brake 10 includes a brake disc 12 and a brake caliper 14 connected to the vehicle wheel suspension (not shown) and a plurality of friction plates 16, 18, the brake caliper straddles the brake disc 12, the friction plates They are accommodated opposite one another in the brake calliper 14 . These friction linings 16 , 18 face the friction surface of the brake disk 12 and generate the desired braking force by bearing against the brake disk 12 .

[0029] The disc brake 10 also has an actuating mechanism 20 for abutting the friction linings 16 , 18 against the brake disc 12 . For this purpose, the actuating mechanism 20 has an a...

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Abstract

The invention relates to a disc brake (10) for a motor vehicle, the disc brake (10) comprising at least one brake disc (12), at least one friction lining (14, 16) and at least one operating mechanism (20), the The operating mechanism is adapted to cause relative movement between the brake disc (12) and the friction linings (14, 16) so that the friction linings are at least partially in frictional braking contact with the brake disc (12), the operating mechanism (20) comprising a movably At least one operating piston (22) is housed in a housing (26) of the disc brake (10) and includes a seal (28) having a first sealing surface and a second sealing surface for The body (26) seals against the operating piston (22), wherein the first sealing surface is configured to produce a sealing contact with the contact surface of the housing (26), and the second sealing surface is configured to produce contact with the operating piston (22) sealing contact of the surfaces, wherein at least one of the sealing surfaces comprises a sliding surface configured such that the sliding surface remains in sealing contact with the contact surface when the operating piston (22) moves relative to the housing (26) and also allows the operating piston (22 ) moves relative to the housing (26) with low friction.

Description

technical field [0001] The invention relates to a disc brake for a motor vehicle comprising at least one brake disc, at least one friction lining and at least one operating mechanism adapted to cause a contact between the brake disc and the friction lining. relative movement, so that the friction lining at least partially frictionally abuts against the brake disc. The operating mechanism includes at least one operating piston movably received in a housing of the disc brake and includes a seal having a first sealing surface and a second sealing surface for sealing the disc brake relative to the housing. An operating piston, wherein the first sealing surface is configured for producing a sealing contact with the contact surface of the housing and the second sealing surface is configured for producing a sealing contact with the contact surface of the operating piston. Background technique [0002] The prior art discloses various types of disc brakes. For example, document DE ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D65/00F16D65/14
CPCF16D65/14F16D2125/06F16D2127/02F16D2250/0046
Inventor E·沃尔夫
Owner LUCAS AUTOMOTIVE GMBH
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