DE1962670A1 - Device for determining the amount of air in tires of vehicles and the like. - Google Patents

Description

Dr-inq. O. STÜRNER .- Dr. F. MAYER PATENTANWÄLTE 7530 PFORZHEIM julius-nearer-strasse 13

Telephone! 07231) 8749 · Postal check account: Stuttgart 40827 · Bank: Dresdner Bank Pforzheim, Account No. 3370

Pr.-Ing. O. Stürner - Pr. F. Mayer, 7S50 Pforzheim, Julius-Naeher-Slr. 13th

The 11th -Ue s em Io er 1 ⁽ . _; ) 6 J Dr.ii / Vi.

Our reg. No.

1712

please specify

Pate η t a η m e 1 d u η

/.nraelder: ^ r. ., icaku ι-λχτβώο, ^ iaohiohiji-shi, '! Tokyo-to (<<"anan)

jeze.ichnuii {;: device; 3ur! determination of eggs Luitr.iGn.je in xieifen τοπ! vehicles and the like

Me! ^ Rfinoun / looks at a device aur i'ent ^r ": fillings of the air menye in many forms of eyes and the ^ l.

der I-'ahrt, c.ie «i on the .joden or on ochiensn;, wi-i?;. ij. üiitoM, i.-Jinschienenba.hnv / a -'_-: o: a or similar - ■ ^ artete iPhTzeu ^ e, vrie su ilupaeu ^ eu, ^c : v /, iJer iaixt: iü.iialt Iu ^i: iin ^r --ni Wolfen we α cmroh a lietelctioiLBeinrichtun-v i-iittols <- '<rie;·' üx-uoka ufto ^: Ϊ; "f; i .-. teu elements ο fost ^ e represents, ae.a d ^ n ') ruoi'in; A ^ · .trii5it "-it ujnv / andolt. jJ.ie in this üinrlchbiin-, erkeu-th electric ö.i ^ nalc v / er den with the help of a : i``nrzeu /;:; ^r : pjonondet. Then öor, "iev / cili _; ve Luftijiho.lt 'lektrisoii nuf one fJknla one at the! Driver's cab mountedon Ar.'K ^ i-'jer'M-'tor an ^ ozelrt. For'rleichseit L--; been £ Ji / -: n- ^r ile f'ii 'ib odor ric -'! '- ". Iir, alarms uev /. by diecor Vorrioli

■ .ν, wrongly known that, the luitmon ^ e in pneumatic tires do not ".".

009828/1590

BATH ORIGINAL

kind a high ^ nif at high revs

heat between you and eggs. . '■ 3 s can wear to the lie he if and chlagen to Lurcii ^ of 3chl "TSOW come. That is G-rv.nde · νε. Sw ^ okdienlich, ^c! A5 of jVchrsr always jieifen air content e ° r can monitor to ensure safe driving.

The invention is based on the object of creating a device for the above-mentioned warning system, which makes it possible to constantly determine at the driver's stand how much air is present in the xieifen and the driver by sending automatic alarm signals to guard the door Let the lack of air in as soon as the "air volume" falls below the prescribed value.

According to the invention, this object is achieved by the fact that the device has a tire attached to the valve and removes the air tightness in the tire from the air pressure present in the tire by means of a piezoelectric Element converting iJetaktioneeinriehtung into electrical signals as well as an. the LLeifen side and on that I-'ahraeugkurperseite ai \ ebr; -hurried Cignaliijxerungseinrichtung that the electrical * i ^ nale ύοϊι the iLoifeiiseite to the i ^ ahrseugkorr-err-eite ce neat uvo a on the j? ahrkeu £ body side on the driver's body. 'n ^ .t' ^ - tl.tec Anf. * eigeger "it includes, day the Ttuftmengo on oi. <><-> r icoö skala removes the e lectri scheu oignnloi) ηηζοΐ-; ΐ and security. ': - b. ^r iv ^r . (refaliren ^ ignalp vermi '; t "elt.

The P ^ tectionneinrichtung iet with a lie.i ι >> u verounuo the air pressure of which is a long cycle and a never-ooelectrL-oae Clement, z.U. a Baeen.Tt-mbelomeiit, Lohlo, ρ i.neti ariiek sensitive transistor etc. operated. uer aiii 'u-riuid of the air pressure recorded value of the uuxtnen.ge is in elek

009826 / 1EdO

BATH ORIGINAL

^J ". ^R i" c "'. I ^c ;' -, i ^ nale converted and transmitted. Dor Senui-r υ. * ;!" .. · m3; ' ^v rii; he or the plug elne ^ oif-.na.lie- f? ierun ,; _r \ er-'ter. v / earth to. on the outside of the ^r . the '^ cite de aj / ahr ^ eu ^ body An; j ° i ecer t air; iunknignale or practice ?? uraht mediates. jj-ar imsei'efj ^ advises v / eint corresponding electrical currents- -: rei ^ e ε ^ - 'ie a i ^ ttv / Erk, a safety signal lamp, C-Ii.,': Ge'.r.hrGi. ^ nallampe, AlaroiFummer ub \ t. on. Ua ε an «ej 'C ^ er ^ t shows the value of the air quantity on a jkal? at. If the location of the air volume is greater than the "AO -!" is o ~: cdoch small ?: al ?: this one, shines the ö-ex'ahr - '"' i '" na 11 ame aui' wid the Alarnisuiüiiser enters x'i'ti- '"

i '? bvrc; it ^r "· mi ^ efuhrt, i- ^ t the device that au * -.-; rs-r * :) oe ^! " tiourei u ^ ei t ■ »*? * # a 3ί ^ ρπ.3 i ^ ie r · .-: -! - · ■■ ;;, ■ :, ¹ ^ i.Oc ?? An.'3ci ^r 'sclnh ^o it consists «wUB ¹ Α er i"> i a! _Α .. ^ ίίο] - .. existing. Luxtnen ^ e on deu im - ".) R ^ vpt," nt ^: " lu-Oor ^^ htcn Ληζο1; ·; β _; ^: ο ?? "ΐ" determined and r "- ⁷ ORC ¹ C * ⁵ ^ .'J ohc rhcitp- CDER '' Teiahr vi.ci ^ ^^^ lc Qi ¹⁰⁰¹ Ce, · · c ^ ¹ .. 'ivchde.ir. Whether the j': Uftmen {" ⁰ . "rößor or ^ ", 'iV''''''.r' de ?? i'ahr -ioro-chte '.'crt i>: "! t. 1 ¹ ^ i ¹ UrCh ¹ ^ iJ ^-1 C"": ^T ·""''' ¹ Ij eh, di °! [ui ' trn.eji ^ o otets aixi G1310111 cünFtij-'en O ^ 'tr; u · "-'" ilton and üi] .ii ^; lle ku preventorij.

^; ^r "? n. ^r . ^f tc-h '" nc v / ird the .rirfindunr an, land do ~ "' • r < oj.ni" · ^ '·! Examples are explained.

o - ¹ Jr-: ', ^r i "■■■:

, ^ ι "-!. 1 '--in ⁰ ,'JclioT'iPSoir'himvj.; c. ^ir ; r vorrichtu-v; with 'inorn im' Jchuitt uar ^ eatellen xi.a '.. i, in the

- » ". I. "NrL ° rl ^r : j''un ^v ri '-;' jaT <: aun one to one

Yy ₀ . Ι ..``-: '/ · ηπ "Γ.t) r.'" ^{% 1} ) tüii; jo ·. 'i'rt i.oii ^^ iiirichtuu /'

BATHROOM LOCATION,

j. '·.!; ,, Ί a variant e'er device in a J) prctellun ^ 5,; emöß j i.; a> r 1 vi with a j.tad shown in section, bet Oew clic'. 'j.'iiale"i'ber l) r ^{: 5} hte under Vervenduiv, one. '." tee ^ ern from a jjotection device au an ani.; e_i.p; e C'crät are transferred,

J-iß ".;. ^; A l ^ nfT ^ eschnittcne liote'ztiounoinrichtiuv ^ the device, at Oex Gin j-jiconpulverelement pIb Xote3-: tor djent, ii 'larger uaiietato

,. ■ i:,. 4 an Auccehnitt cur a ν Oriente oiner xietelrtionceinri.clrbiin-c, at ic :: kohle; rlr: Detector serves u> ic.

j · ¹ i ·;. '· 5 a floodplain cut ρλι ° ^r --incr another variant of a jjet ^ ktionrfvinrichtun ;;, b- "i.nor a npfj.ndlicher' Irnncirirr? l, ^{r <} jj« te> tor ^ cr ■■ 'ird, in the L ^: ' .i3 ^ rschnitt.

'ie the ε au _ri:; .uren 1 and 2 ergiciH-lic ^, bectehl- a', or direction - '",οτηΙ'Π - ^ ^ Orlie eiiöer l; riindir.) i_ · rut: egg." he pv.i a valve 2 to a ^ΐιΓίΐ ν η 1 iuontiorts j.'cte]: - tionreiinlieit; ', a, ^r Ji ^ nr>_{.liaieruriri;;};; ° ^r ^ 4> dop at a - /. eite ciee iLCiienp mid am jj'aiiri'.eu ^ kürpe? ¹ ^ n.r'el) racht i ^r . ^: t, ^r- o ^v / ie auc ein AnKei ^ e.cj-'t I xri Ί- ''' hvcrp-tv.na. .uie uete? "t: lenseinricatunf; '; · < Has an upper cylinder and'. ■ 'Hen lower cylinder 7. iJer lower cylinder 7 hj / !. rl "t a pressure chamber ο c3arj.n, into which a laifti-nifuiirventil 9 III protrudes. .!.? at the bottom of the üide aru.eh "i" ^ri mme3 [■■ is, a ve threaded 'j.'f -) il.' \ '- j in Yerbliumn "· with a valve 11. ünu is provided with a Luitloon ίι- is used as opening the valves 2 r-iov.'ie a t3? ichtera ürmige JJichtun ^ 12. uienes leil 1;> xmt am Ventil '?. he ?? inpti? ch mounted, ■ "ούί ' -I the Jaiftornck inside υ single-line in te j"' .en / ': leich i -.' t. 3Jer upper I2ylincier 6 int in the 'ilioroii U ¹ Oi]. the lower cylinder ο 7 rushing-p el ι robs,

009826 / 1S90

BATH ORIGINAL

v'ooei an iiembrane 14 with its umfaru; daswiscben sit comes running. The membrane 14 reacts to changes in the air pressure in the mentioned pressure chamber. Are on a fjeite α τ L'iMiji / anP! 14 7erdioi: ui ^: en 1? attached and in these Vorüicinin ^ etj ge, - 'vaiiberliegendeii Jer3icüeü liillen Io na _; oden dee elueu O'ier ces other of the ueiaen, • ^! inaer b odei' / ^ n-oorders, then the uembrane 14 i '" i?: t /■■/leic.isrt. ^! .A -J ^ iiaeiti ^; are connected aif :: ij / lLncier 6 and '/ iujVtdleiii: tnlte.i uancier. The obore I / yVUi - (<·. ?. · 6 uiuEcivl.lei-it one airtight IZamuier \ a with a /-.'ifioiwifiuoden I ¹ / '. In dor luftaichteii chamber Io ßit'-jt ou! Be.'. '^' Olicher ^ oL'ben 19 on the tieiibi ^ ane on. .üine iColbonctrn ^ e ? .O c.iore ^ flaskr. reaches above i-Gii. i'v / irohenbodon 17 and is 'craftsohlüncji'-nit dem' / cnt; il] : '3roer 21 connected. The piston 19, the ^ olbonr:'truij; e 50 and the yentil body 21 are designed air iionrsc ro, cl ^ .i; they act on the diaphragm 14. Λΐΐ lower l'eil de ;: ¹ Vontill'örjperß ⁹ '\ is a contact 2' by a JJee '-' plo btr- '24 and i'edorn 25 elastic ;; eh-lton.

f'boi <? piel genriß JJ ⁿ ig. 5 is the same oin Jif / - ^ provided loiaonb 2ί> .. L ^{'ifipulvrr':;} f, vt now the air in the Koifon 1 ar.oh, co that the air pressure falls below the ro'jt; ,, Gr: <-;i:;: tfcrj './ort, v. <ird the valve body 21 with contact '' .I Ln connected and give an alarm signal. Conversely boi abundant amount of air and übf-r is set hinausgehendem fj'tf tdruch flor valve :: ör [) or 21 of contact 2, 3 upward abgesetir ^1: una a oiohcrheitssignal conveyed. ! Uureh f \ ry XJ-QId jiu.ftdr.'uok dependent a ^ 'ialo jJevregung des V ^{f: i} utilkör-iorrj 21 v / i.rd i) ^r .: V v / ort dei' Jiuft quantity d ".rch c- ■ :: iLvorolement 26 in electrical ijignale umgt ~;. "JYes oin, Otoßelement 27 with the valve body pr duroli never Juock plate 24 is connected through, can

009826/1590

BAD ORfGfNAt.

The AiJL8sendung3t ^: ο lenient Y 'by Gignal ° n leichu - can be checked by raising your finger and pressing aas ^ tο ^: ίο lenient Y' \ . The area in which the "outer UTiiff'ug" of the oocria cylinder 6 is connected to the lower cylinder 7 is covered with a cap Ϊ9 made of G-umrni or iämsthr rz uiti- ■ and by means of ± ^v ai3stpok 30 completely ab -e.takes note that the device can normally also work in barrels.

In the exemplary embodiment according to FIG. 4, a piezoelectric carbon element 31 is in the. The upper part of the valve body 21 is provided, as can be seen from J? ig connected to the upper part of the Tentilkörpers 21 .is .. the axial movement described above, the Ventilkcrpers 21 causes dio iTeränderung the .Dichte coal UNOE consequently the change c ^{e c} - elekt.r'isch.en resistance, whereby the ^T / ert the amount of air ίια nibble is transformed into e.local ■ iign ^ ii.

Au * "f ¹ clock ungsb egg game according 'I'igur 3 is a druckeinpfindlirMier · transistor" provided 35th Dieo '.- r Translator 35 is with a suitable. YerptVr. {; Or - .. 'tromkrt'i'; · equipped within the upper cylinder 6. P He is in an air pressure chamber 8 dos lower i ',: '! inäer.s- '",' mounted in a position corresponding to the amplifier circuit. This transistor serves to directly convert the air quantity values into electrical; j.LgnaLe corresponding to the air pressure in the air pressure chamber 8.

A signal transmission device 4 according to irlgur 1 is intended for the transmission of signals as ij'unksignale, lit * consists of a sander 38 and transmitting antenna ¹ ]; 39, which are mounted on the side of the tire on a hoop part ~ Y [. A receiving antenna 40 and a receiver are on the side of the vehicle body "". appropriate. 'Of the

00 9826/1590

BAD ORieilsJAL

ίΓοηαίϊΐ * '5' w ·. '? 0.1ο center antennas j> 9 sine ·, rait eier Detekt5orr; a: _t / i? Htun {-: 3 connected by a conductor t \ 2 \ nv \ ■■! U-rr-lra, - '.: n electrical signals ale iaiiiksiüno.le, rie '"' Ie-? Lnft-ierr; '? ent core former.

1-asnw-ite / UGfuhruntebel ^ piel o'er Signalübcrtra ^ ungseinhoit int; 5ur transfer v.mr; determined by üi £; ualen by means of wire under- "erwen'auv; a .plug ,. v-'ie ans l>'ig.2 ^ r ^ icht] ic ·!« iies ¹ ? Si ^ nall'bertra ^ un ^ his unit is with eiwrra •!. ■ in ^ iv-j'-mi ^ en L-? it? ¹ ?: · 44 oiiB ^ eriistot, ciei; an insulator '] -> Bufreist. Ladder and lßolato? r an am fiadteil ar · öei '3eit-- cios Üeii'ens introduced

i-hj ^ jCP · " ¹⁷ :: · ^^ -" ro ^T '"ei!? t ίϊ ^ρ benar.te lüunheit Λ an ixon -" !: a?'7t> i "": cto '· - <'ru."?,i" ie ΰ ^ η? Head 4-Ί αοτθϊιΙϊο ??? angeord— not unv ini r ^ incr ifeder 4 ^{C is} loaded, via ring-shaped

G I'Oiter 4 ^J i '? T with 6er lieteldr-ioiieeiurichtung 3 dnreh a ^ n 3je.it · ⁰ ·'"Γ .-- Yc ^ rbmiden, with de ^c '. ^R -eii Uilfe elelrbrJ £ ^: che ' ■ .i ^ jonli ναζί: - ·? Λ · ^. Establishment;; C.li.-ejvt zx ^ r; _: ; oite des 3? Ahr-

uio in i ¹ '!; ... ^{! 1} I "¹; -. ·" N? "_; O- ^c jtellt _} contains, a / msei ^ ei2; cr" ⁴ :!. . · Pf.-i V ₁ Pi - * r "] elrtri ^^ iif- otromkreiffl'uic vrnö is with ei ■.» '"■« "e-p'i'vv /!' /, With ^ iner o Sicherheitssi ^ nallamp-e AC-, f-Licr ti ei ο) "'. · .i.jirill.a-.ipe 49 Mu a A3.arijisnm.iae3? 50 from -.- or.t'itTPt. -J ^ rjofi tierät iot with the Jörapfanger 41 (Ji ¹ If :. 1) nc.- ·? · mj.t ü ' ^{! i} - ilonLu ¹ Ti: bür.S'1'.o 46 through a ladder 47 (j? ; _i; ^ ,. v "- 'i" M "' -.? jJiitsprecheufl rien the signal _U obtained zoi t o.jj. .V-Ucj Lj'jrmi ^ he Zaireans i 1 of the rießv / Erkes.. 47 the li'.i tmfijj: r -!, _. Dr-.T olcala an. I-st the amount of money satisfied- "t ^ llcuü, 119i; c: it ^c > t the ^r Jsafety lamp 48 on. Is the LuJ ti-'K-Ji- ' h zn , - / ^ rin / -., the (xefahrsignallampe 49 on UjI'""!'■■■'-; i: -. f: itii '. v / jrc3 alarm buzzer 50 is activated.

f- ¹ oi. · .υ ij'-rr-iirit-ijen, the device advances the ft; uK, Ti ■■ _ ' ^r "ui.norer'] iend your iniftdz'uck in electrical ßiß 'F v .-i.'i'ji '■ i · ti: οχικίπ pieKnelGlrtrino-hen elements 26

009826/1690

BATH

or 31 or 35 of the detection device, transmits the electrical signals as radio signals or by wire by means of the signal transmission device from the side of the tire to the driver's cab on the far side of the vehicle body and sets the value of a Lui'tmen & e through various 1-iel de places 47, 4c, 49 and 50 of the display unit. As a result, the air flow in the tire 1 can thus be continuously determined. In addition, this device has the gate part that an alarm signal can be issued as soon as the air volume suddenly decreases during the IT trip.

The above description of the present invention is based on the example of a single tire. In the lalle of a vehicle with four males, for example is ee required a lot? Perform these? Kind c. In some cases it is advantageous to be able to divide the amount of air in a spare tire.

Hit the term "on the tire side" or "on the tire side" Side of the tire "v / ground components in the broader sense of the vehicle addressed, which are related to the wheels and rotate.

Under the term "on the vehicle body side" are essentially addressed the body and the related components of the vehicle.

009826/15 90

BATH ORIGINAL

Claims (1)

962670 Claims Device for determining the amount of air in tires ^s - ■ '' of vehicles and the like while driving, characterized in that it is attached to the valve (2) of a tire (1) and the value of the amount of air in the tire according to the air pressure in the tire by means of a piezoelectric element (26; 31; 35) converting detection device (3) into electrical signals and a signal transmission device (42, 38, 41; 28, 43, 47) mounted on the tire side and on the vehicle body side, which transmits the electrical signals from the Sends the tire side to the vehicle body side and comprises a display device (5) attached to the driver's cab on the vehicle body side, which displays the amount of air on a measuring scale according to the electrical signals and transmits safety or danger signals (48, 49). 2. Apparatus according to claim 1, characterized in that the signal transmission device has a transmitter (38) and transmitting antennas (39) on a wheel part (37) on the tire side for connection to a detection device (3) and a receiver with a receiving antenna connected to a display device (5) on the Vehicle body side, wherein from the transmitting antennas (39) outgoing electrical waves through the Receiver (41) can be received and electrical signals from the detection device as radio signals to the display device can be transmitted (Fig. 1). 009826/15 90 Device according to claim 1, characterized in that that the signal transmission device has to be connected to a detection device, ring-shaped conductor (44) on a liadteil on the egg side and one with the said slip-on comprises contact brush (46) located in contact on the vehicle body side, wherein from the detection device electrical signals can be transmitted directly to the display device via wire are. Device according to one of Claims 1 to 3> characterized by a detection device with one screwed into the valve (2) of a tire (1) lower cylinder (7) with an air supply valve (9) in which an air pressure chamber is formed, which has the same air pressure as said tire, the lower cylinder (7) with a upper cylinder (6) is connected so that a membrane (14) between the cylinders in the manner that is firmly held / it is based on the air pressure moves in the air pressure chamber (8). Device according to Claim 4, characterized in that the upper cylinder (6) is a hermetic one closed chamber (18) with an intermediate wall (17) and on the membrane (14) one of this membrane movable piston (19) is arranged and that at the upper end of a piston rod (20) of the piston (19) a valve body (21) is provided, at the base of which the Partition (17) with an insulator (22) a contact (23) is formed, the top of the The valve body (21) is elastically supported by a cover plate (24) and springs (25), 009826/1590 6. Device according to one of the preceding claims, characterized in that a piezoelectric element (26) made of iron powder VervenctV-n,;, finds (i'ig.?). 7. Device according to one of claims 1-5, characterized in that a piezoelectric coal-iiilement (51) is provided (long.4). o. / device according to one of claims 1-5, characterized in that the detection device: one on the valve (2) of a xiei- ä fenc (1) has screwed-on cylinder (7) with a J-uftzufuhrventil (9) and therein an Luftclrucklcammer (8) is formed with the same air pressure as in the keifen, with an upper cylinder pressure; · (6) on the inner Zj ^ linder (7) is screwed on and as a piezoelectric element οχώ pressure-sensitive transistor (35) with in the upper 3. "" en Zj ^r linder amplification flow]: j? eis is used in the air pressure chamber (ö) in a circuit corresponding to the amplification flow Position is arranged. 009826/1 590 BATHROOM LOCAL GINAL