US878454A - Apparatus for cooling the brakes of motor road-vehicles. - Google Patents

Apparatus for cooling the brakes of motor road-vehicles. Download PDF

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Publication number
US878454A
US878454A US39212607A US1907392126A US878454A US 878454 A US878454 A US 878454A US 39212607 A US39212607 A US 39212607A US 1907392126 A US1907392126 A US 1907392126A US 878454 A US878454 A US 878454A
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United States
Prior art keywords
brakes
air
cooling
vehicles
motor road
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Expired - Lifetime
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US39212607A
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Jules Caillet
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Automobiles Peugeot SA
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Automobiles Peugeot SA
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Priority to US39212607A priority Critical patent/US878454A/en
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    • 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
    • F16D65/78—Features relating to cooling
    • F16D65/82—Features relating to cooling for internally-engaging brakes
    • F16D65/827—Features relating to cooling for internally-engaging brakes with open cooling system, e.g. cooled by air

Definitions

  • This invention relates to apparatus for cooling the brakes of motor road vehicles, the method substantially consisting in producing the cooling efiect by means of an active circulation of. air produced either by an ejector operated by the exhaust gases of the steam or explosion motor of the vehicle or by anyknown system of pump or blower operated in a continuous or intermittent manner by the vehicle motor which may be driven by any suitable source of power.
  • FIG. 1 An embodiment of the invention is shown in the accom anying drawing in which Figure 1 s ows an arrangement in whichan GJGCtOI' is operated by the waste motor gases.
  • Fig. 2 1s a detail sectional view on the line A A of Fig. 1.
  • Fig. 3 shows an arran ement operated by a pump or blower.
  • the apparatus comprises an e'ecting chamber a. placed in the Waste pipe and a pipe 0 forming an air collector and divided at the point (1 into three or more branches e, e, and (3 leading to the brakes.
  • the movability of the hubs must be considered and the pi es e e which are practically rigid with the ve icle frame are provided with flexible metallic connecting ipes f and f
  • On the exterior protecting rums of the brakes are placed two fresh air inlets g g, arranged in such a manner that air is forced to pass thereinto by the rotation of the wheels during forward running as indicated in Fig. 2.
  • the arrows on indicate the inlet of air and the arrow y the exhaust of the motor gases.
  • the apparatus comprises a pump or blower m operated in a continuous or intermittent manner by means of the fly wheel of the motor m by mechanism a W.
  • the air is circulated or forced along through the pipes 0, 0 0 to the various brake drums.
  • the operation of this form of apparatus is also very simple.
  • the rela tively fresh air enters into contact with the brake surfaces which become heated by friction, absorbs iheat therefrom and returns to the atlnos here through suitable apertures 1' in the bra e drums.
  • An arrangement for cooling the brakes of motor road vehicles comprising air pipes leading to the brake drums, flexible pipe sections connecting the air pi es to the drums, air holes provided on the rake drums, and means adapted to cause air to pass through the air tubes, substantially as described and for the purpose set forth.
  • An arrangement for cooling the brakes of motor road vehicles comprising air pipes, e, e, 6 flexible pipe sections f 1 connecting one end of the air pipes to the rake drums, an ejecting chamber a placed in the path ofthe exhaust gases, an air collector 0 into which lead the free ends of the air pipes and which leads itself to the ejecting chamber, and fresh air inlets g 9 provided in each of the brake drums, substantially as described and for the purpose set forth.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Description

No. 878,454. PATENTED FEB. 4, 1908. J. CAILLET.
APPARATUS FOR COOLING THE BRAKES 0F MOTOR ROAD VEHICLES.
APPLICATION FILED SEPT. 10. 1907.
2 SHEETS-SHEET l.
No. 878,454. PATENTED FEB. 4, 1908.
J. GAILLET.
APPARATUS FOR 000mm THE BRAKES OF MOTOR ROAD VEHICLES.
APPLICATION FILED SEPT.10. 1907.
2 SHEETSSHEET 2.
UNITED STATES PATENT OFFICE.
JULES CAILLET, OF PAR-IS, FRANCE, ASSIGNOR TO SOCIETE ANONYME DES AUTOMOBILES PEUGEOT, OF PARIS, FRANCE.
Specification of Letters Patent.
Patented Feb. 4, 1908.
Application filed september 10. 1907- Serial No. 392.126-
To all whom it may concern:
Be it known that I, JULEs OAILLET, citizen of France, residing at 66 avenue de la Grande Arme, Paris, in the Republic of France, have invented a certain new and useful Improved Apparatus for Cooling the Brakes of Motor Road-Vehicles, of which the following is a specification.
This invention relates to apparatus for cooling the brakes of motor road vehicles, the method substantially consisting in producing the cooling efiect by means of an active circulation of. air produced either by an ejector operated by the exhaust gases of the steam or explosion motor of the vehicle or by anyknown system of pump or blower operated in a continuous or intermittent manner by the vehicle motor which may be driven by any suitable source of power.
An embodiment of the invention is shown in the accom anying drawing in which Figure 1 s ows an arrangement in whichan GJGCtOI' is operated by the waste motor gases. Fig. 2 1s a detail sectional view on the line A A of Fig. 1. Fig. 3 shows an arran ement operated by a pump or blower.
Resrring to Figs. 1 and 2, the apparatus comprises an e'ecting chamber a. placed in the Waste pipe and a pipe 0 forming an air collector and divided at the point (1 into three or more branches e, e, and (3 leading to the brakes. For the rear brakes the movability of the hubs must be considered and the pi es e e which are practically rigid with the ve icle frame are provided with flexible metallic connecting ipes f and f On the exterior protecting rums of the brakes are placed two fresh air inlets g g, arranged in such a manner that air is forced to pass thereinto by the rotation of the wheels during forward running as indicated in Fig. 2. In the drawing the arrows on indicate the inlet of air and the arrow y the exhaust of the motor gases.
The operation of this apparatus is obvious. The waste gases assing through the pipe I) produce a partial vacuum in the ejector a which is immediately supplied with air from the collector c, this air being admitted through the various brake drums. Since the entrance of air into said drums is particularly facilitated by the arrangement described its circulation is very rapid and it cools by contact the brake surfaces heated by friction.
Referring to Fig. 3 the apparatus comprises a pump or blower m operated in a continuous or intermittent manner by means of the fly wheel of the motor m by mechanism a W. The air is circulated or forced along through the pipes 0, 0 0 to the various brake drums. The operation of this form of apparatus is also very simple. The rela tively fresh air enters into contact with the brake surfaces which become heated by friction, absorbs iheat therefrom and returns to the atlnos here through suitable apertures 1' in the bra e drums.
Having now described my invention, what I claim as new and desire to secure by Letters Patent is:
1. An arrangement for cooling the brakes of motor road vehicles comprising air pipes leading to the brake drums, flexible pipe sections connecting the air pi es to the drums, air holes provided on the rake drums, and means adapted to cause air to pass through the air tubes, substantially as described and for the purpose set forth.
2. An arrangement for cooling the brakes of motor road vehicles comprising air pipes, e, e, 6 flexible pipe sections f 1 connecting one end of the air pipes to the rake drums, an ejecting chamber a placed in the path ofthe exhaust gases, an air collector 0 into which lead the free ends of the air pipes and which leads itself to the ejecting chamber, and fresh air inlets g 9 provided in each of the brake drums, substantially as described and for the purpose set forth.
In testimony whereof I have affixed my signature in presence of two witnesses.
JULES CAILLET.
Witnesses:
H. 0. 00x15, LOUIS Moses.
US39212607A 1907-09-10 1907-09-10 Apparatus for cooling the brakes of motor road-vehicles. Expired - Lifetime US878454A (en)

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US39212607A US878454A (en) 1907-09-10 1907-09-10 Apparatus for cooling the brakes of motor road-vehicles.

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US39212607A US878454A (en) 1907-09-10 1907-09-10 Apparatus for cooling the brakes of motor road-vehicles.

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487415A (en) * 1948-01-21 1949-11-08 Erie Coach Company Brake lubricator
US2607445A (en) * 1948-03-31 1952-08-19 Steel Products Eng Co Braking mechanism
US2746577A (en) * 1950-06-07 1956-05-22 Dunlop Rubber Co Brake with dust shield
DE1113149B (en) * 1957-06-25 1961-08-24 Klaue Hermann Disc brakes, especially for motor vehicles
DE1213268B (en) * 1960-12-20 1966-03-24 Daimler Benz Ag Brake system for motor vehicles with the rear wheel brakes cooling fan-air cooling arrangement
DE1293048B (en) * 1963-10-04 1969-04-17 Caterpillar Tractor Co Hydraulic system for motor vehicles with cooling device for the hydraulic fluid
US4805747A (en) * 1986-09-05 1989-02-21 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Arrangement for supplying cooling air to a brake disk

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487415A (en) * 1948-01-21 1949-11-08 Erie Coach Company Brake lubricator
US2607445A (en) * 1948-03-31 1952-08-19 Steel Products Eng Co Braking mechanism
US2746577A (en) * 1950-06-07 1956-05-22 Dunlop Rubber Co Brake with dust shield
DE1113149B (en) * 1957-06-25 1961-08-24 Klaue Hermann Disc brakes, especially for motor vehicles
DE1213268B (en) * 1960-12-20 1966-03-24 Daimler Benz Ag Brake system for motor vehicles with the rear wheel brakes cooling fan-air cooling arrangement
DE1293048B (en) * 1963-10-04 1969-04-17 Caterpillar Tractor Co Hydraulic system for motor vehicles with cooling device for the hydraulic fluid
US4805747A (en) * 1986-09-05 1989-02-21 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Arrangement for supplying cooling air to a brake disk

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