US942785A - Primer for gasolene-engines. - Google Patents

Description

A. H. LINAWEAVER.

PRIMER FOB. GASOLBNBENGINES. APPLICATION FILED MAY 19. 1909.

Patented Dea?, 1909.

' 2 SHEETS-SHEET 1.

www

A. H. LINAWEAVER.

PRIMER FORGASOLENE ENGINES. APPLIOATIOH FILED MAY 19. 1909. 942,785. Patented Dec. 7, 1909.

2 SHEETS-SHEET 2- glwntor,

` T FICE,

ALBERT H. LINAWAVER, or smistamento.

PRIMER son GAsoLnNn-ENGINES.

lerares.

Specification of Letters Patent.

l To all 'whom t may concern:

. in such'manner as to enable the driver of tov start a gasolene motor.

the machineto charge or prime the combustion-chamber of the motor preparatory to cranking or starting the motor.-

By experiment and observation it has been ascertained that in a temperature of forty degrees and upward it is not troublesome Between said and the freezing pointthe trouble increases rapidly and the priming of the carbureter is helpful, but it is necessary to spin the starting crank a number 'of times in order to obtain an ex-f plosion. Below twenty-degrees, unless'the motor is kept in a warm place, or heated water is introduced into .the radiator and circulating system of the motor, the problem of starting the Iengine under average circumstances is a diiiicult one to solve. A iushed carbureter does not produce the required vapor and feeding gasolene through the spark plugf hole is a tedious and `trying operation. v

By means of the device hereinafter particularly described, the motor may be easily started at any time in a temperature down to or below zero, as by priming the motor in a manner hereinafter described, the engine starts easily and `in nearly every in stance an explosionis eHected by a single turn of the starting crank. A

To the above end, the invention consists inthe novel construction, combination, and arrangement of parts, as vhereinafter more fullyl described, illustrated and claimed.

In the accompanying drawings :-Fi'gure point of temperature 1 is a vertical diametrical section through a' primer embodyingr the present invention, showing the priming cock open.. Fig is adetail section through the priming cock, showing the same closed. Fig. 3 is a horizontallcross section on the line 3-3, of Fig.

' 1. Fig. 4 is a top plan View ofl the primer.

I Fig.

- the base 3. The

.6 is a through the upper portion of the reservoir, showing a modified arrangement of valve seatingmeans and air. inlet. cross section on the line 7- 7 of Fig. v6."

IThe primer contemplated yin this invention and which is applicable'to Vany motor car, at any convenient point onthe` car, where it is readily accessible to the driver, comprises a reservoir adapted to contain a sup'- plyI of gasolene.l This reservoir comprises an outer. cylindrical metal shell 1, a cap 2 threaded upon the'upper end of said shell,`

upon the lower end of said a'base 3 threaded shell, and1 an. inside glass cylinder 4 Awhich is held in place by the shell and between .the

. Patented Dec'. 1909. Application filed. May 19, 1909.` Serial No. 496,928.'

Fig. 7 is a 5 isa side elevation ofthe same. Fig,"I

detail diametrical .vertical sectioncol cap. and base, gaskets--` 5 being introduced betweenthe cap and base andthe `shelll and glass cylinder 4 to renderjthe reservoir liquid and air tight. The shell 1 is fenestrated -or provi ded 'at opposite pomts with observationopenings or windows: 6 to enable the driver 'to notel whether or not there isa sutlicient quantity of `gasolene dontainedin the reservoir,

is titteda-illing plug to be introduced into thel reservoir. body 3 is further provided centrally of its top with an opening 8 xin which `is vreceived the stem 9 of a reservoir cock 10 thelower end of which is tapered as indicated at 1l and'received in aboard 12'of corresponding The cap is provided with an opening in whichl 7 to enable gasolene The shape in the basel; Within' the reservoir j the cock 10 is -provided with `an annular shoulder or lcollary v131 between which and the underside 'of lthe cap-'2 there is arranged `a coiled spring 14' encirclihg'the stem 9 and exerting a 10 to keep the same normally closed -and predownward pressure on the cock" vent the'iio'w of gasoleneldownward through stem '9 extends upward through the cap 2 and has mounted on the vupper end thereof ano'peratin'g handle 15 in whichanair inlet opening 16 is formed in 'line with v`a corresponding central bore or passage 17 leading through the stem 9 into the bodyof the cock 10 where it is provided with a tee-shaped lower end opening out in opposite directionsinto the reservoir. This air passage always remains open so that air may pass into the'reservoir to, supply the space previously occupied by the g'asolene' allowing thev gasole'ne to flow freely from the reservoir for or extension 18' a purpose herey te'r of a.turn,.stop pins 23are mounted on inafter set forth. .As an additional means -for holding the cock closed,` a cock clos ing spring 19 has one end; secured to the cap 2as` shown at 20,-the other end carrying a ring or collar 21 which encircles the stem `9 and is fastened' thereto by means of a -screw 22 orits equivalent, 'the tension.l of

said spring 19 ybeing exerted in.- a downward 'direction on the cock 10. In order to adapt the handle to be swung through a quarl a glass cylinder 26 which is fitted therein like the cylinder 4- 4above described so 'as to obtain la liquid and. air `tight construction. A hollow 'tube-l 26 extends' from the charge chamber intofthe reservoir to a point near the top thereofandacts as an airvent for the chargemhamber'. v

The -lower end ofLthe charge measuring chamber 24 isy enlarged 4.and internally 'Y' threaded as shownat 27 to fit .upon a threadwitha correspondingpassage 33 ada ted toed boss or extension 28 on the upper side of a priming cock casing 29, the latter being provided Witha vertical passage 30 extending therethrough. rlhe priming cock A'31 is of the tapered plug type and is providedvat oneend with an operating handle 32 and at a point in line with the passage 30 be'moved into and out of line with t e pas'- sage 30. The priming cock is-also provided .with an oblique or inclined passage 34. adapted to be moved into and outofregister with an air .inlet passage 35 inthe casing4 29,-,the outer end of said air inlet passage being protected by adust protector or hood 36 which is secured to the casing' 29.,by means of a screw'orequivalent fastening device -37 the projecting end of the hoo overlying an oriice of the air inlet and excluding dust, dirt and other. foreign matter while allowing air to be readily sucked into said passage.I The priming cock 31 is also 38 a. apted -to come in contact with corre# spondingI pins or shoulders 39 on the casing 29 to limit the turning movement of the.

handle 30 to ninety degrees.I Communicating with the passage 30 is a priming tube 40 which leads to the mixture intake pipe, communicating vtherewith at a point between the carburetor and the combustion chamber of the motor or engine and in this way an admixture of airand gasolene is delivered into the intakey pipe at 'the point mentionedy rovlded with a stop pin or shoulder lwhereupon it is drawn ,by the suction lof the combustion into the combustion chamber of the motor.l The gasolene from the reservoir 1 passes through the L-shaped passage 41 in the tapered lower end of the reservoir cock 10 and is thereby discharged into the measuring chamber 24 when the cock 10 is drawn into the proper direction, the base 3 being provided with a radial port 42 with which said passage 41 communicates when the cock 10 is turned to the proper point. v

- Thecasing 29 of the priming cock is oonnected rigidly to a supporting base or bracket 43 provided with a iiange 44 formed lwith holes 45 to receive screws or other v:fasteners by means of which the device, as a whole, may be connected to the dash or other convenient part of the motor car, said bracket supporting the entire priming device hereinabove described. The upper end of the'airpassage 16 shown in Fig. 1 may also be extended laterally or' horizontally as shown at 47 in Fig. 6 in order to prevent any dust, dirt or other foreign matter from falling into said .air inlet and finding its' way into the reservoir.

ln operation, the reservoir 1 being partly .or wholly filled with gasolene andthe prim? ing cock 31 being closed, the operator, preparatory to starting the motor, opens the reservoir cock 10 and allows the same to remain open long enough to fill the charge measuring chamber with gasolene. He then closes the cock 10 after which he opens the .priming cock 31 which allows the supply .of gasolene together with air drawn in throughv the passages 35 and 34 to be conducted by gravity to the mixture intake pipe of the motor between the carbureter and the com bustion chamber. A single turn of the start-4 ing crank will thusy obtain an explosion which will effect an initial starting of the engine, after which the engine will-maintain itself in operation.

4 I claim zl. A primer for gasolene engines einbody-- l ing a. reservoir for gasolene, a-charge measuring chamber vadaptedto be placed in communication with said reservoir, a reservoir cock controlling-such communication and' A.

provided with an air vent, a priming .tube

leading from said measuring chamber'to thel I mixture intake'pipe at a point between the carbureter and .combustion chamber, an airl inlet in communication with said priming tube, anda priming cock controlling said air' inlet and communicatlon betweenthe meas-4 uringchamber and priming tube. o,

2. .A primer for gasolene engines embody ing a reservoir for gasolene, a charge 'meas uring chamber adapted to. be placed 'into communication with said reservoir7 a reservoir cock controlling said communication,

a riminv tube leadin from said measur- A e y s i ing chamber to the mixture intake pipe 'at a point between the carbureter and.' combus-l .ton chamber, an air inlet in communication with said primlngtube, and a priming cock having passages which simultaneously regster vwith said .air inlet and theport, between thenieasuring chamber and priming tube- 3. A primer for gas'oleneengines embodymg a reservoir fc rgaso1ene,v a charge measurmg chamberl adapted to be placed in communication wlth sald reservoir, a reservoir cock controlling said .cmmunlcatioin a priming tube leading from said measuring chamber` to thev mixture intake pipe at a vsaid riming tube,

vpruningcock controlling said air inlet and vcomm unicatlon between the 1 chamber and said priming tube.

v measuring '20 i In testimony whereof I affix my Signa'ure 1n presence of'two witnesses.

ALBERT' H. LiNAWEAi/nn Vitnesses i Y LEVI HARvm'r, Mrs. A. BISH.-

Images