WO2008029418B1 - Power brake using wheel motion for generating an auxiliary brake force - Google Patents

Power brake using wheel motion for generating an auxiliary brake force

Info

Publication number
WO2008029418B1
WO2008029418B1 PCT/IN2007/000388 IN2007000388W WO2008029418B1 WO 2008029418 B1 WO2008029418 B1 WO 2008029418B1 IN 2007000388 W IN2007000388 W IN 2007000388W WO 2008029418 B1 WO2008029418 B1 WO 2008029418B1
Authority
WO
WIPO (PCT)
Prior art keywords
brake
pilot
caliper
drum
rotating disk
Prior art date
Application number
PCT/IN2007/000388
Other languages
French (fr)
Other versions
WO2008029418A3 (en
WO2008029418A2 (en
Inventor
Ashok Kumar Tiwari
Padam Kumar Tiwari
Original Assignee
Ashok Kumar Tiwari
Padam Kumar Tiwari
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ashok Kumar Tiwari, Padam Kumar Tiwari filed Critical Ashok Kumar Tiwari
Priority to US12/440,240 priority Critical patent/US20090277728A1/en
Publication of WO2008029418A2 publication Critical patent/WO2008029418A2/en
Publication of WO2008029418A3 publication Critical patent/WO2008029418A3/en
Publication of WO2008029418B1 publication Critical patent/WO2008029418B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/02—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with mechanical assistance or drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/02—Fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation
    • F16D2125/28—Cams; Levers with cams
    • F16D2125/30—Cams; Levers with cams acting on two or more cam followers, e.g. S-cams
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/66—Wedges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2127/00—Auxiliary mechanisms
    • F16D2127/08—Self-amplifying or de-amplifying mechanisms
    • F16D2127/085—Self-amplifying or de-amplifying mechanisms having additional fluid pressure elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2127/00—Auxiliary mechanisms
    • F16D2127/08—Self-amplifying or de-amplifying mechanisms
    • F16D2127/12—Self-amplifying or de-amplifying mechanisms having additional frictional elements

Abstract

A Self Activated Power Brake comprising a rotating disk coaxially fitted to a wheel, a housing (F) to hold brake shoes (G) of a brake in' a fixed position with respect to the rotating disk, a brake pedal system to transmit motion generated by hand or feet to at least one actuating pilot caliper (B), said pilot caliper is attached to at least one actuating mechanism, which actuates said brake shoes. Said actuating mechanism comprising at least one linkage mechanism (M) to link said pilot caliper to at least one transmitting means so that force from pilot caliper can be transmitted to said transmitting means said transmitting means to apply force on at least one engaging means at least one engaging means to engage said brake shoes to said rotating disk when force is applied. Said pilot caliper comprising at least one engaging brake shoe (P) and a movable holding frame.

Claims

AMENDED CLAIMS received by the International Bureau on 26 May 2008 (26.05.08)
1. A Self Activated Power Brake comprising:
- a rotating disk/drum coaxially fitted to every wheel in a vehicle,
- a housing to hold brake shoes of a brake in a fixed position with respect to the rotating disk/drum which is capable to receive required amplified power from pilot caliper on the brake shoes to complete power braking function,
- a brake pedal system to transmit motion generated by hand or foot to at least one actuating pilot caliper,
- said pilot caliper is attached to at least one actuating mechanism, which actuates said brake shoes.
2. A Self Activated Power Brake as claimed in claim 1, wherein said actuating mechanism comprising:
- at least one linkage mechanism to link said pilot caliper to at least one transmitting means so that force from pilot caliper can be transmitted to said transmitting means,
- said transmitting means to apply required amplified power which is directly proportional to the ratio between the sliding distance of the pilot caliper and the distance covered by the brake shoes towards the rotating disk / drum, on at least one engaging means,
- at least one engaging means to engage said brake shoes to said rotating disk/drum up to the time when force is applied due to motion of rotating disk and disengage when the force is removed by stopping of the rotating disk/ drum.
3. A Self Activated Power Brake as claimed in claim 1, wherein said pilot caliper comprising:
- at least one engaging brake shoe to engage to said rotating disk/drum in every wheel, when motion is transmitted from said brake pedal system,
- a movable holding frame as an arc shape bed to hold said engaging brake shoes.
8
4. A Self Activated Power Brake as claimed in claim 1, wherein said brake is a disc brake, a drum brake, a hydraulic brake, a pneumatic brake or a railway mechanical brake.
5. A Self Activated Power Brake as claimed in claim 2, wherein said linkage mechanism is either a mechanical link or a sliding piston arrangement.
6. A Self Activated Power Brake as claimed in claim 2, wherein said transmitting means is at least one lever system or at least one V shaped slot or at least one master cylinder hydraulic system.
7. A Self Activated Power Brake as claimed in claim 2, wherein said engaging means is at least one sliding piston arrangement or at least one V shaped protrusion or at least one hydraulic sliding piston arrangement.
8. A Self Activated Power Brake as claimed in claim 1, 2 and 4, wherein said actuating mechanism is of oval shape so that when said pilot caliper engages to said drum brake, said oval shaped actuating mechanism tilts and engages the brake shoes by at least one mechanical means (E5).
9. A Self Activated Power Brake as claimed in claim 1, 2 and 4, wherein said actuating mechanism is of eye shape so that when said pilot caliper engages to said drum brake, said eye shaped actuating mechanism tilts and engages the brake shoes by hydraulic means (E6).
10. A Self Activated Power Brake as claimed in claim 1, 2, 4 and 6, wherein said pilot caliper engages to said disc brake and actuates said linkage mechanism, which further transmits force to said transmitting means so that it enables the engaging means to engage the brake shoes to said rotating disk/drum.
11. A Self Activated Power Brake substantially as herein described and illustrated in the accompanying drawings.
9
PCT/IN2007/000388 2006-09-05 2007-09-03 Power brake using wheel motion for generating an auxiliary brake force WO2008029418A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/440,240 US20090277728A1 (en) 2006-09-05 2007-09-03 Self Activated Power Brake

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1980DE2006 2006-09-05
IN1980/DEL/2006 2006-09-05

Publications (3)

Publication Number Publication Date
WO2008029418A2 WO2008029418A2 (en) 2008-03-13
WO2008029418A3 WO2008029418A3 (en) 2008-05-15
WO2008029418B1 true WO2008029418B1 (en) 2008-07-17

Family

ID=39135149

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2007/000388 WO2008029418A2 (en) 2006-09-05 2007-09-03 Power brake using wheel motion for generating an auxiliary brake force

Country Status (2)

Country Link
US (1) US20090277728A1 (en)
WO (1) WO2008029418A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2539717A (en) * 2015-06-26 2016-12-28 Meritor Heavy Vehicle Braking Systems (Uk) Ltd A disc brake
CN106966301B (en) * 2017-05-09 2019-05-07 安徽中捷矿山运输设备有限责任公司 A kind of mechanical overspeed protective device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE446582C (en) * 1926-06-11 1927-07-02 Automobil Construktionsgesells Brake, especially for motor vehicles
GB330132A (en) * 1928-10-31 1930-06-05 Fiat Spa Improvements relating to servo-brake mechanism for operating vehicle brakes
US3700075A (en) * 1969-09-27 1972-10-24 Dunlop Co Ltd Braking systems
WO1990006868A1 (en) * 1988-12-15 1990-06-28 Mitsuharu Kaneda Positive shut-off power assisted brakes
JP3127332B2 (en) * 1993-05-10 2001-01-22 本田技研工業株式会社 Motorcycle braking system

Also Published As

Publication number Publication date
WO2008029418A3 (en) 2008-05-15
US20090277728A1 (en) 2009-11-12
WO2008029418A2 (en) 2008-03-13

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