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Improved flow control device

一种流量控制装置、进气口的技术，应用在流体压力致动装置、控制阀、阀装置等方向，能够解决不平衡压力等问题

Inactive Publication Date: 2009-03-25
BENDIX COMML VEHICLE SYST LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This phenomenon is undesirable as it may create an unbalanced pressure between the wheels of the vehicle

Method used

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  • Improved flow control device
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Examples

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Embodiment Construction

[0018] Although the various aspects and concepts of the present invention have been explained and illustrated in connection with the exemplary embodiments, the above various aspects and concepts can be realized through various alternative embodiments, through single solutions or various combinations and sub-combinations. Herein, unless specifically excluded, all such combinations and sub-combinations come within the scope of the present invention. In addition, although various alternative embodiments relating to various aspects and features of the invention, such as alternative materials, structures, configurations, methods, devices, software, hardware, and control logic, may be disclosed herein, the description is not intended to be exhaustive. Or exhaustively enumerate all available alternative embodiments, whether currently known or disclosed herein, conventional, standard solutions or later emerging solutions. Those skilled in the art may readily employ one or more aspects...

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Abstract

A flow control device (30) having a first port (34), a second port (66), a third port (36) and the movable member (42). In a first mode, the movable member seals the second port while allowing fluid flow between the first and third ports, wherein the differential pressure between the first port and third port, during the first mode, is about zero. In the second mode, the movable member seals the first port while allowing fluid flow between the third port and second port, wherein the movable member is adapted to transition from the first mode to the second mode in response to a small change in differential pressure.

Description

Background technique [0001] In pneumatic braking systems for heavy-duty vehicles, air is exhausted from the pneumatic (or compressed air) lines to release the service (or service) brakes. The delay time between the actual release of the brake pedal and the actual release of the vehicle's brakes is known as the brake release time. Users want the brake release time to be as small as possible. To improve brake release time, quick release valves are often used. Quick release valves are typically installed in air brake systems at a point between the input air space and the delivery air space. When the brake pedal is released, air delivered to the brakes is quickly exhausted from the quick release valve instead of being returned all the way to the air supply. [0002] A known type of quick release valve is shown in FIG. 1 . Valve 10 includes a housing 12 having a supply port 14 , an exhaust port 16 , and one or more delivery ports 18 . A flexible disc-shaped diaphragm 20 is pla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T15/52B60T15/54F15B13/04F16K15/06
CPCB60T15/54Y10T137/2544Y10T137/2557F16K15/06B60T15/52Y10T137/7843
Inventor T·侯C·杜特
Owner BENDIX COMML VEHICLE SYST LLC