US1630957A - Fuel distributor for internal-combustion engines - Google Patents

Description

May 31', 1927'. v 1,630,957 A. e. LUNDSTROM FUEL DISTRIBUTOR FOR INTERNAL COMBUSTION ENGINES Filed Oct; 30. 1926 INVEN TOR. Azfbur 6? L 103 sfz om,

ATTOR EY.

cylinder gaeniai-allydisposed jth'er'eifi. A plunges; (1). isadapted to reciprocate m.- the cylinderaB beingactuated' afr'dn'glla suitable j cam, throw 'h-the mdiujm pfga oafxxi-foh i1- pivoted at one-(mid; as 'at F and -hayingafi;anti friction roller G riding on-'the' fac bfthe am D. {The suction end cfthe-plun qi-fG;

, The {plu er is adapted .to draw fuel ml "unmixed with air frem a'source- (not; shown) 1 associatgd-with a pi e J c'o'nnecting at a Sui-table bushing K with a radiallytlisposed pase sge L the pump bod communicating diri-ejc'tly ith-the interior {of the cylinder. 13,. The fiowbf-i el 0 21' in the ,Qpp'o'site diifecti n Y isi' pmvenmiby a i a lve in this instahcefshdwn a -b wa v 0 e gi an .iape tur o 1 thblikhing The innei' ehdf-qfth bylinder-B is -counterbored as at Q andprovided with a "ph lg; R h ousing a dis'hmrge spring preSsdhc-kvalves which controlsthe 'flow pf fuel-hi1? between a discharge chamber T formed: in the '1 cy i er From t e; discharge i -mm ful: 011" is adapted tobacnveyed by radially disposed passages "U .to. sliitable-pipes V leadri'ng'to the various spray nozzles (not shown.)

5 (if-the y1ingirs[,0' f"t'heengine (hot shown); In; this:=illustration only two such pipe V are ShOWII eachpie-bein adapted 'to. be 'd to thesp'my nozz esof gsaparate Thr m e' :15 man?" "-pasga'g'esi. U V- 'aithem. ar 1. iilders o th fwa . on a reni dvzible}. nut 'e screwed jo n .0f=,;the pumfp body-A. The zim J I & ably gbaxjial with the ump 'pl-unger' G and' isjpIMided. with bevel gear-math e which [are engag d by-a bevelled piniohf mounted on. a 'couniershaft 1; ITheyshaft 9 and, the

can-L Drotat e at a, fixed relative mtg; that thplfiilgrC must reciprocate each time n E P lmp bod Y sf .n hnally hel valve. and. g plate plug and 23. shoul one pf the valves W 'is opened.

closed by means ofga- "spring =pbea'ri'ng ag ainsbfthe head of the interpqsed between the -n y-Pass ve. 13 adapted to. control th flow-0f fliel'gilf rqm vt he PrissureQhambefT to retu'fii" pipiey -c'onfiected with a passage associafied with aibor-fw i1 thplug j; ,A

n-P wey erat'e'd jinv s'yiichronism with th ate-(in a 'goxiernor actuated arm 2.

v-ln-opeiation the plungletlC is, adaptcd to rqqiprocafig at a rate cgn-esponding to the fiying. 0f the eni ine ylinde' s (notshown) d scllarging 'fue oil "at high pmqsure into the PreSsuiechamber T and .thenjceinto the passages '21. simulfiqneously the valves W- are ralsedto positron permitting the fuel oil'to escape through one-bf thef pa ssages fa at each reci' rocationof the! pump lun'g'er r during 3 injection period-oft e fiiel referview' ers 01:1 ami). 'iS- a(iapted.t o. actuate the bv pa ssva'lve h then bging acapt interpnse between thevalve v [and the -cdntact point v 1 tgh'e depressiQns-of the-valve h' is controjllgl' by a movable fulcrum member, 3 pivoted Iii-s The timing 0: r I

! inbefore'referred to,

adajpte i'vill provided its there an cylinders. of

the internal combustion engine.

ride on thecum'b; v

Time by the above construction are ac- "ci iinl' liished among others the objects :hQI'G 101M111; Iv 1. A. fuelpu np fo1 a rnulti-cylinder in? tei'nfil combustion v engine comprising a pum cylinder. and lunger 'ilda-p'ted. to reeipr'jocete therein, a, .dischergexchmnber 'for said cylinder, 21' plurality of, passagcs ton valves adapted? to reciprocatein said pump body to control-the flow of fuel oil in; said passages.

adapted to convey liquid fuel from said cylinder to the spray nozzles of an engine, and

a; piston valv'e'in-euch of said passages adapted to control the floiv of fuel therein, 2. A fuel pump for e multi-cylinder in"- ternal Y combustion engine comprisingapump cylinder and plunger adapted to re 'ciprocnte therein, a discharge chamber for said cvliu'der, n JIflUi' iIity' of passagestoconvey'hqun'l tuelf from said. vcylmde'r to the spray-nozzles of 'an engine,

it piston valve 111- each of said, passages -ede ited to'controlthe flow ofdfluel oil then-e in, end means to operate said valves suc- 'ccss1ve1y. 1 I

. 3. A'fuel ump for a m m-cylinder internal combustion engine comprising a pump cylinder .a-ndeplungei' therein, a d18- cl'i'arge chamber associated withisaid cylinder, why-pass valve for relieving pressure in said-discharge chamber, passageways 1 adapted to convey fuelvoil from stud disehiijrgo' chamber to the spray ,noziles {of an" migine, piston valves adopted-to control the w flow-of fuel oil in, said passages, and means toleotuete said valves'successiveiy. I

"d -A fuel puxnpfor a multi-cylindergins .t ernal. combustion eng ne eompr1smg e pump body havinga'pumpcyhnder there n.

a plunger '8,(1l1pt8d: t()jreciprocate. in-szi'i [pump cylinder, a discharge. chamber associeted with said cylinder, said-pom? body." being Fro'vided with radially disposedpas,- sages I 1 c charge chamber to the spray no'zzlesbfi an engineya by-pass valve adapted to relieve or conveying fuel oil fromjsa'id dis pressure-in said discharge chamber, andpi's- 5;. A fuel pump a plunger adapted to reclprocate insa'id pump cylinder. a discharge chamber associated with said cylinder, said pump body, being provided with radially disposed. pussages for conveying fuel oil from said discharge chamber to the spray nozzles of an engine, a by-pass valve adapted to relieve. pressure'in sa d discharge chamber, piston valves adaptedtoreciprocate inv said pump I ARTHUR G; 'LUNDSTROM.

v for a multi-cylinder in- .tornal combustion engine compris ng a pump body having a pump cylinder therein,

have signed

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