US664981A - Oil-feeding device for explosion-engines. - Google Patents

Oil-feeding device for explosion-engines. Download PDF

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US664981A
US664981A US70115299A US1899701152A US664981A US 664981 A US664981 A US 664981A US 70115299 A US70115299 A US 70115299A US 1899701152 A US1899701152 A US 1899701152A US 664981 A US664981 A US 664981A
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oil
port
valve
air
measuring
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US70115299A
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John E Thornton
James P Lea
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails

Definitions

  • the invention consists in applying a forcepump to lill a measuring-port of defined capacity formed in a slide-valve, such pump taking oil from a reservoir and returning eX- cess thereto through a measuring-port which retains a measured charge, and in forcibly projecting the measured charge of oil from the measuring-port by a pressure of air Aat one end of the port superior to that at the other end, and the novel effect produced by this combination is the accurate and very rapid measurement and delivery of successive charges of oil and the practicability of situation of the measuring device in relation to the hot vaporizer to which it is connected as to work under sufficiently favorable conditions of coolness, so as to avoid clogging and other defects.
  • Figure 1 is a sectional elevation of the apparatus.
  • Fig. 2 is a sectional plan on line x y of Fig. l.
  • Fig. 3 is a sectional elevation showing a modification.
  • Fig. 4 is a sectional elevation in a vertical plane at right angles to Fig. 3.
  • Fig. 5 is a sectional elevation showing another modification.
  • Fig. 6 is asectional plan showing modification of Fig. 4 with slidevalve flat and auxiliary air-compressing plunger.
  • Fig. 7 is a section showing alternative arrangement of the parts.
  • the oil-valve A is in this instance in the form of a plunger sliding to and fro in a casing or cylinder B, closed at one end and tted at the other with a gland C, through which the plunger A passes and closes it.
  • the oilvalve A is reciprocated by a crank or cam eccentric D on a rotating shaft cl, connected to it by a connecting-rod d.
  • a In the oil-valve A are formed two ports or passages a. a, preferably passing diametrically through it, one of which, a, receives and measures the charge of oil and the other, a',
  • the port d is of exact capacity to receive the required charge of oil to be measured, and the other, a', and forcingpump'E may be of any capacity so long as the pump throws a quantity of oil in excess, and advantageously much in excess, of the capacity of port a.
  • the cylinder or casing B is provided with an air port or passage h, leading from the closed end of the cylinder, through which the air compressed therein by the upward stroke of the oil-valve can be discharged, and a port or passage b', diametrically opposite the discharge-orifice of the port b, leading to or to be connected with the vaporizer of an oil-engine.
  • the cylinder B is also provided with a passage or chamber f, connected by pipes'ff2 with an oil-reservoir F, and diametrically opposite it with a port or passage e, leading to the oil-pump E.
  • Through the cylinder B is also formed an air-inlet aperture or port b, through which a fresh charge of air is admitted to the top closed end of the cylinder at each backward stroke of the oil-valve A.
  • a suction-pump E to draw oil from the oilreservoir is fitted to the side of the cylinder B.'
  • This pump is constructed of a flexible diaphragm e', to which a piston-rod E is attached.
  • the piston-rod is connected to the valve-operating rod by a connecting-link and pivoted lever.
  • the ports a and a.' in the oil-valve A are so situated relatively to the passages b b and f e in t-he cylinder or casing B that when the valve A is at the end of its forward'stroke the measuring-port a is in communication with the air-passage b and discharge-passage b' and port a' is in communication with the oil-passages f and e, and when the oil-valve A is at the end of its backward stroke the measuring-porta is in communiation with the Oil-ports e and f.
  • port 7L with the closed end of the cylinder B to supply a greater volume of compressed air
  • the cylinder H may be employed alone to compress the air.
  • the compressed air necessary t0 project the charge of oil from the determinate port a of the oilvalve is supplied from an air vessel K, into which air is forced by any suitable form of air pump or compressor.
  • the arrangement shows the second or suction port in the slide-valve replaced by a self-acting inlet or suction valve K', controlling the oil-passage k to the pump.
  • the action is similar to that already described, the pump drawing oil from the reservoir through the valve K and forcing the excess back to the reservoir through the passage e, measuring-port a, and pipef'.
  • the measuring-port a in the oil-valve A being charged with oil on the forward stroke of the plunger A, the air is compressed in the closed end of the cylinder B and air-passage b.
  • the measuring-port comes between and connects the air-passage b and the discharge-passage b', leading to the vaporizer of the motor, and the compressed air forcibly or violently impels the measured charge of oil contained in the port a into the passage b', leading to the motor, in the form of a line spray or jet mixed with air.
  • Apparatus for measuring at a rapid rate a charge of liquid combustible with great eX- actitude comprising in its construction a container for the liquid combustible, a pump connected therewith by a single port for forcing or inducing a dow of the liquid combustible at intervals to and fro, a slide-valve with two sets of ports formed therein one of defined capacity and the other of convenient size and a valve-casing with four sets of passages terminating in it which communicate the first set with the pump, the second set with the oil-container such passages being so placed being connected at intervals substantially as described.
  • a charge of liquid combustible with great exactitude comprising in its construction a container for the liquid combustible a pump connected therewith for forcing or inducing a flow of the liquid combustible at intervals to and fro, a slide-valve with two sets of .ports formed therein one of defined capacity and the other of convenient size and a valvecasing with passages terminating in it and cam mechanism for actuating the slide-valve and pump in correct relation to each other substantially as described.
  • a slide-valve provided with two sets of ports formed in it the one of defined capacity and the other of any desired size of a pump for forcing a flow of the liquid at intervals to and fro and a valvecasing provided with ports therein through which the liquid iiows and double diverging passages one through which air escapes connectingl with the top of the container and the other through which the supply of liquid flows connecting with the bottom of the container substantially as described.
  • uid combustible fuel and injecting it with rapidity and exactitude into the vaporizer of an oil-engine or into another receptacle comprising in its construction, a slide-valve provided with two sets of ports formed in it, the 011e of determinate capacity and the other operating to permit the iow of liquid to and fro, a force-pump and cam operating the same in timed conjunction with the slide-valve, a reservoir containing a supply of the liquid combustible at a suitable head of pressure a casing provided with two sets of openings leading to the vaporizer or other receptacle and the other to the closed end of the casing i5 in Which a charge of air is compressed, the

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Description

No. 664,981. Patented 1an.` lso'lf .1. E. Tnonnon & .1. P. LEA...
olL FEEnms EVlcE Fnn'ExPLoswn ENGINES.
(Appximio'n med n. 4. isses.
3 Sheets-Sh'et 1..
(No Model.)
I A NvENToRs. d.
wlTNEssl-:a
No. 664,98I. V Patented 1an I, |90l -J. E. THORNTON &. J. P. LEA. DIL FEEDING DEVICE-FOR EXPLUSION ENGINES.
'(Apbueation med nu. 4. 1899.1'
(No Model.)
3 Shoets--Sheet 2 WITNESSES.
mvEN-rons.
No. 664,9m. Patented'v 1an. lymm.v
. J. E. Tuomnon a-J. P. LEA.
OIL FEEDING DEVICE FOR EXPLOSION ENGINES.
(Application led. Jun. 4. 18 99.
' 3 Sheets-Sheet 3.
(No Model.)
. WITNESSES.
INVENTORS.
NITED STATES PATENT OFFICE.
JOHN E. THORNTON, OE ALTEINGHAM, AND JAMES P. LEA, OE MANOHESTEH,
ENGLAND.
OIL-FEEDING DEVICE FOR EXPLOSION-ENGINES.
SPECIFICATION forming part of Letters Patent No. 664,981, dated January 1, 1901 Application led January 4, 1899. Serial No. 701,152. (No model.)
- The invention consists in applying a forcepump to lill a measuring-port of defined capacity formed in a slide-valve, such pump taking oil from a reservoir and returning eX- cess thereto through a measuring-port which retains a measured charge, and in forcibly projecting the measured charge of oil from the measuring-port by a pressure of air Aat one end of the port superior to that at the other end, and the novel effect produced by this combination is the accurate and very rapid measurement and delivery of successive charges of oil and the practicability of situation of the measuring device in relation to the hot vaporizer to which it is connected as to work under sufficiently favorable conditions of coolness, so as to avoid clogging and other defects.
The invention will be fully described with reference to the accompanying drawings.
Figure 1 is a sectional elevation of the apparatus. Fig. 2 is a sectional plan on line x y of Fig. l. Fig. 3 is a sectional elevation showing a modification. Fig. 4 is a sectional elevation in a vertical plane at right angles to Fig. 3. Fig. 5 is a sectional elevation showing another modification.- Fig. 6 is asectional plan showing modification of Fig. 4 with slidevalve flat and auxiliary air-compressing plunger. Fig. 7 is a section showing alternative arrangement of the parts.
The oil-valve A is in this instance in the form of a plunger sliding to and fro in a casing or cylinder B, closed at one end and tted at the other with a gland C, through which the plunger A passes and closes it. The oilvalve A is reciprocated by a crank or cam eccentric D on a rotating shaft cl, connected to it by a connecting-rod d. v
In the oil-valve A are formed two ports or passages a. a, preferably passing diametrically through it, one of which, a, receives and measures the charge of oil and the other, a',
serves as a passage for the oil to the suction or measuring pump E. The port d is of exact capacity to receive the required charge of oil to be measured, and the other, a', and forcingpump'E may be of any capacity so long as the pump throws a quantity of oil in excess, and advantageously much in excess, of the capacity of port a.
The cylinder or casing B is provided with an air port or passage h, leading from the closed end of the cylinder, through which the air compressed therein by the upward stroke of the oil-valve can be discharged, and a port or passage b', diametrically opposite the discharge-orifice of the port b, leading to or to be connected with the vaporizer of an oil-engine. The cylinder B is also provided with a passage or chamber f, connected by pipes'ff2 with an oil-reservoir F, and diametrically opposite it with a port or passage e, leading to the oil-pump E. Through the cylinder B is also formed an air-inlet aperture or port b, through which a fresh charge of air is admitted to the top closed end of the cylinder at each backward stroke of the oil-valve A.
A suction-pump E to draw oil from the oilreservoir is fitted to the side of the cylinder B.' This pump is constructed of a flexible diaphragm e', to which a piston-rod E is attached. The piston-rod is connected to the valve-operating rod by a connecting-link and pivoted lever.
The ports a and a.' in the oil-valve A are so situated relatively to the passages b b and f e in t-he cylinder or casing B that when the valve A is at the end of its forward'stroke the measuring-port a is in communication with the air-passage b and discharge-passage b' and port a' is in communication with the oil-passages f and e, and when the oil-valve A is at the end of its backward stroke the measuring-porta is in communiation with the Oil-ports e and f.
IOO
by port 7L with the closed end of the cylinder B to supply a greater volume of compressed air, or the cylinder H may be employed alone to compress the air.
In the modification shown in Fig. 5 the compressed air necessary t0 project the charge of oil from the determinate port a of the oilvalve is supplied from an air vessel K, into which air is forced by any suitable form of air pump or compressor.
Referring to Fig. 7, the arrangement shows the second or suction port in the slide-valve replaced by a self-acting inlet or suction valve K', controlling the oil-passage k to the pump. The action is similar to that already described, the pump drawing oil from the reservoir through the valve K and forcing the excess back to the reservoir through the passage e, measuring-port a, and pipef'.
In operation, the measuring-port a in the oil-valve A being charged with oil on the forward stroke of the plunger A, the air is compressed in the closed end of the cylinder B and air-passage b. On the valve reaching the end of its stroke the measuring-port comes between and connects the air-passage b and the discharge-passage b', leading to the vaporizer of the motor, and the compressed air forcibly or violently impels the measured charge of oil contained in the port a into the passage b', leading to the motor, in the form of a line spray or jet mixed with air. At the same time, a stroke or pulsation of the pump E having taken place, oil Hows or is drawn from the reservoir F and portf through the oil-port a' into the passage c, leaving the pump E and passage e fully charged with oil. On the downward stroke of the oil-valve A the ports in the cylinder or casing are first closed and the air-inlet aperture b2 is uncovered, admitting a fresh charge of air to the closed end of the cylinder. At the end of the downward stroke of the oil-valve or plunger A the measuring-port ct comes between and connects the oil-passagesf and e, andthe return stroke or pulsation of the pump E forces oil through and leaves. a charge of oil in the measuring-port C1, displacing the air therein, which passes back into the oilpassage f and escapes to the top of the oil-reservoir F. The cycle of operation is then repeated at each stroke of the oil-va1ve A.
What we claim as our invention, and desire to protect by Letters Patent, is
l. Apparatus for measuring at a rapid rate a charge of liquid combustible with great eX- actitude comprising in its construction a container for the liquid combustible, a pump connected therewith by a single port for forcing or inducing a dow of the liquid combustible at intervals to and fro, a slide-valve with two sets of ports formed therein one of defined capacity and the other of convenient size and a valve-casing with four sets of passages terminating in it which communicate the first set with the pump, the second set with the oil-container such passages being so placed being connected at intervals substantially as described.
2. In apparatus for measuring,r at a rapid rate a charge of liquid combustible the combinat-ion with a container for the liquid combustible a slide-valve with a measuring-port formed therein through which excess of oil passes back to the reservoir and which retains a measured charge of oil and a casing inclosing the oil-valve provided with suction and delivery ports of a force pump connected with the oil-container and with the suction and delivery ports by which a flow of oil is induced at intervals substantially as described.
3. In apparatus for measuring at a rapid rate a charge of liquid combustible with great exactitude comprising in its construction a container for the liquid combustible a pump connected therewith for forcing or inducing a flow of the liquid combustible at intervals to and fro, a slide-valve with two sets of .ports formed therein one of defined capacity and the other of convenient size and a valvecasing with passages terminating in it and cam mechanism for actuating the slide-valve and pump in correct relation to each other substantially as described.
4. In apparatus for measuring at a rapid rate a charge of liquid combustible with great exactitude the combination with a container for the liquid combustible a slide-valve provided with two sets of ports formed in it the one of defined capacity and the other of any desired size of a pump for forcing a flow of the liquid at intervals to and fro and a valvecasing provided with ports therein through which the liquid iiows and double diverging passages one through which air escapes connectingl with the top of the container and the other through which the supply of liquid flows connecting with the bottom of the container substantially as described.
5. In apparatus for measuring at a rapid rate a charge of liquid combustible with great exactitude the combination with a container for the liquid combustible a slide-valve provided with two sets of ports formed in it the one of delined capacity the other of any desired size of a pump for forcing a iow of the liquid at intervals to and fro and a valve-casing closed at one end in which a charge of air is compressed provided with ports through which the liquid flows and a port connecting the closed end of the easing with the measuring-port of the valve through which the compressed air projects the charge of oil out of the measuring-port substantially as described.
G. Apparatus for measuring a charge of liq- IOC IIC
uid combustible fuel and injecting it with rapidity and exactitude into the vaporizer of an oil-engine or into another receptacle comprising in its construction, a slide-valve provided with two sets of ports formed in it, the 011e of determinate capacity and the other operating to permit the iow of liquid to and fro, a force-pump and cam operating the same in timed conjunction with the slide-valve, a reservoir containing a supply of the liquid combustible at a suitable head of pressure a casing provided with two sets of openings leading to the vaporizer or other receptacle and the other to the closed end of the casing i5 in Which a charge of air is compressed, the
witnesses.
J. E. THORNTON. J. P. LEA. Witnesses:
J. OWDEN OBRIEN, R. OVENDALE.
US70115299A 1899-01-04 1899-01-04 Oil-feeding device for explosion-engines. Expired - Lifetime US664981A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016115421A1 (en) 2015-01-16 2016-07-21 The Procter & Gamble Company Adult disposable absorbent articles and arrays of said articles comprising absorbent cores having channels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016115421A1 (en) 2015-01-16 2016-07-21 The Procter & Gamble Company Adult disposable absorbent articles and arrays of said articles comprising absorbent cores having channels

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