DE1731872U - COMPRESSED AIR DOUBLE CIRCUIT BRAKE SYSTEM FOR MOTOR VEHICLES. - Google Patents

Description

Drackluft ~ »Zw6ikreis» 3remsaiilage for

The invention relates to a compressed air-'Sweikreis-brake system, / bei. --the which a Zreis _f the Bremsglieäer an axis zvm example, he d -Hinterachse, the other is-Ere the Bremsglieäer another Aohse, ZAM example of Yorderachse, unifasst.

In Dru ckmittel-BreEsanlagen for ILraftfahrseuge a Eeihe sound types are known .for dene'n the Brenisglieder the various Aohsen in Toneinander separate Sreisen are _e This task is far sum pneumatic brake example AEE? Way "solved j,. That the various valves are controlled by a common ε control valve? Which has the disadvantage _s that if the control valve fails, all of the valves fail" If several valves are used "these are combined into a closed component! the installation much .Saum claimed UNOE therefore often can be accommodated in the vehicle only with difficulty. 1'β sine further types known _f in which the different-Tentile hintereinanöergeschaltet sine υ.Ώ.ά downstream Tensile of- air pressure downstream of the first "esti ! werd.en controlled _t i'ällt here the first Tentil ■ außp so sina also oils other Yentile and therefore all Ereise ineffective in all these plants begins ausseröem only ai = _r t_oder the division-one in a Ereise behind äem 7-8ntil.

Bosch GmI) H /../Stuttgart-

Cr -.

£ _e -Ur. 6269 -21 * 3 * 71955. Mii / fce

TJndicntigkeltezi at 3 all-en prices common Torratslielagen or at eliieT change place in front of the "or the • Tentilen Malier the jjeistangf äjiigkeit alltllciiex iCriiex" All these. Deficiency T ^ exes according to the invention i> eh "ben thereby that similar to the separated leitang systems of the two circles? Independent Έ units forming and spatially, side by side or behind one another arranged reaction valves are assigned, "to which compressed air per aas" is supplied by a separate air compressor from the common air compressor. In particular, the storage container secured via a non-return valve is supplied, the control piston of which is influenced in the same direction via the sending of a?

An exemplary embodiment according to the invention is shown in the drawing shown »■

The compressed air brake system of a motor vehicle is supplied in a conventional manner by a .Jkuftpresser .1 through a conduit 2 with compressed air, UNAE in d4e a Beifenfüllflasche 3 behind öieser a pressure regulator 4 are turned on, lan öiesem pressure regulator introduces ieitungszweig 5 su a first reservoir 6 and a .other line branch 7 su a second storage tank 8, the goal of the air tank is. Usually a 'Rück'chltfg- or overflow valve 5 inserted. From the first reservoir β leads a pipe 10 zv, a control valve 11, while from the reservoir 8 a "line 12 goes to a second control valve 13. These control valves are in the They are of the familiar type of step plate burner valves and have a control valve-Hg -an each in-between switched on line system, the prevailing air pressure acts on the housing of these two

^ ^v £ o "bert Bosch GmbH E, -Er«. € 269

- '-.-.:■ Stuttgart' ■. March 21, 1955 Mü / He

^ Stetieiveirtile 11 -απά t3 iiaben Jan.obrem upper 3? Eil 3efesti- -gtüagBp ^^ are on the outer side of these plates,

"along closely nsTseneinanäergelegtc Mas the BefeBtigungBplatten

'Actuators 16, 17 are in front of -the inside of the valve housing, "for example about feathers, jouf the associated,;

'Not daxgestellten Tax class £ olben "act IMD above -des Tentilgehäuses respectively to" -this on the corresponding bet estigimgsplatte mounted angle levers 18 ₁ 19 abut »3EI the

: Provided Jiinbau the Tentilgehäuse are the bell crank in parallel planes ^ You Oberan ends of the bell crank "ind hinged to the ends of a balance beam 20 at its middle - Part disZmit a ÜTißbremshebel 21 -linked drawbar 22 attacks _o J3ie .Enden the balance beam.! 20 are turned cylindrically τιηά protrude into spherical bores aex angle _{levers_18 P} 19. In the middle part of the laagebalkens a row of Junschlnßbohmngen for the bar 22 door can be seen side by side _. 23 are such that the tJbersetzungSTerhältnis modified balance beam and datai t a lead of one or the other valves 11, or "13 is set kanrio Tom" xtnteren Ibii of YentilgeTiäxises 11 performs a line to a brake cylinder 24 for the Bremsgliedsr at the Eisterachss 25 of the Vehicle o In the lower part of the valve housing t3 'there is a pipe 26 connected for a brake cylinder 27 of the Yorderaehse 28c.

Beih Ifie & ertreteii of the brake lever 21, the rod 22 and äamix also the balance beam "20 forward gezogerif wherein the angle lever 18 _f 19, _s drückenc in equally Eiehtung mitbeweg & n and them nachgeschaltsten pins 16 '17 downward result, both warden" Br ems cylinder 24 and 27 are evenly charged with compressed air; if the brake cylinders are to have an unequal strength or if their effect is to be used at different times ", this can be achieved by" producing the appropriate valve spring - or by hanging the connecting rod 22 on the balance sheet 20 " Wsnn brake circuit 6 _? 10 «1I ₁ 23 ,. 24

JRo-lir «6269

Eobert Bosch GmbH Stuttgart "- =

fails at any point, for example due to a break. If the control piston of the pulp valve 11, which offers less resistance in this case, is pressed or left out of a direction, the brake stroke begins quickly against the usual stop, not shown, and then the other brake circuit for the rear axle is then pressed fully effective via its control valve 11 - - ■■ "._ ■. '

The gear ratio on the operating lever 21 can be selected? that "the Pahrer for simultaneous operation of both Seaktionsventile t no normal width substantially exceeding Eraf must expend * Incidentally, since the -Eeaktionsventile brsuchen to have even just a yerhältnismäseig little control hub, also reaches & bt actuation on Bremahebel 2.1 even in the event of a Tentils to operate the other valve still Toll-constantly off _{or similar}

Claims (1)

P117B915 * 243.55 / j Eobert Bosch ömbB --- '■ - Sc -Br «6269 j. Stuttgart V. 21.3o1955 Mi / He I '~~ . ν: / - IJruclElTift-Zweikreis-Breiifflaniage for motor vehicles _f in - which one of the Ereis the Bremaglieder einer'Achse _a to 1 "· ', example of the rear axle, the other one the braking elements -"■; another axis, for example the Tofder axisj includes i · .--.;. characterized in that ■ | ■■■ - · ■ - 'Jeitungssysteiaen the two! Journey. Similar _s independent; * _.-.- ■ - .. other arranged reaction valves are assigned to which compressed air 3 "from" a separate ₅ Tom common air compressor *? Is supplied and in particular via a safety valve secured gate container and whose control ^{piston 1 in the} same direction over the sins a balance beam _s are influenced to that between the articulation points for.. jiie ii-saktlonsTentile the control lever (ΪΊ of the plant 'azigrachto JtC