US1033882A - Automatic starting device for internal-combustion engines. - Google Patents
Automatic starting device for internal-combustion engines. Download PDFInfo
- Publication number
- US1033882A US1033882A US63327211A US1911633272A US1033882A US 1033882 A US1033882 A US 1033882A US 63327211 A US63327211 A US 63327211A US 1911633272 A US1911633272 A US 1911633272A US 1033882 A US1033882 A US 1033882A
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- Prior art keywords
- arm
- engine
- starting device
- valve
- internal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
- F15B9/10—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage
Definitions
- My invention relates bustion engines.
- One of the objects, of my invention is to f generally improve structures of this char-;
- Figure 1 is showing a side elevation of my engine start- 36 ing device, as applied to the engine thereof.
- Fig. 2 is an enlarged elevation of the startingdevice, looking from the front of the automobile.
- Fig. 3 is a similar view, looking from the rear, and showing parts there 3 of in dotted line positions.
- Fig. 5 is Fig. 4 is a sec- "tion, taken on line ir-4:
- Fig. 6 is a cross sectional view, taken on line 6-6 of Fig. 5, showing t the IIlOt-1V8-fluld controlling-valve in position of exhaust.
- Fig. 7 is a similar view showing the valve port registering with the n conduit, from the source of supply.
- My device is employed for starting internal combustion engines in the same manher that engines, of this character, are started by hand, that is to say by the direct rotation of the main shaft of the engine.
- Fig. 1 10 is an engine of the class, to which my device is especially adapted, showing parts thereof broken away.
- the main shaft 11 of the engine extends to the front '55 of the vehicle,-jjgst as it does when the Specification of Letters Patent.
- ' engine is designed to be started by a crank lever to be operated by hand.
- a ratchet wheel 12 and a collar 13, as by means of a key 14. To the end of the shaft 11 is. secured a ratchet wheel 12 and a collar 13, as by means of a key 14..
- an arm, 15, held against displacement by a collar 16, which latter is secured'to the shaft by a series of screws 17, or otherwise, so as to retain the arm 15 in associated, movable, relation with the ratchet wheel 12 and the shaft.
- the arm, 15, is provided with a boss, 18, which is perforated for a bolt, 19, upon which a pawl, 20, is pivoted.
- a the arm 15 is the cylinder 30, in connection with its reciprocating piston 31.
- the piston stem 32 is piv otally connected with the arm, 15, as at 33, so that when the piston, 31, is reciprocated,
- the arm is moved from the full line position to the dotted line position, shown in Fig. 3, at the same time the pawl 20 will engage the teeth of the ratchet wheel 12, and ro'tatethe main shaft 11 of the engine.
- the cylinder 30 is secured to a T shaped trunnion 85, upon which is provided a screw threaded cylinder head 36.
- a fitting, 42 has screw threaded engagement in the end of 't'hebearing block of the trunnion 35, as at The fitting, 42, isaxially perforated, as at 44, the said perforation being in axial alinement with the perforation 45, the latter communicating with the interior of the cylinder 31.
- the fitting, 42 is also perforated at right angles to its axis, as at, 46.
- a tapered rotary plug, valve, 47 is contained in an interfitting opening in the end of the fitting, 42.
- the valve, 47 is provided with ports, 48 and 49, which communicate with the perforations 44 and 46, respectively, when the 'plug valve has been rotated in the proper position, for this purpose.
- the plug valve, 47 is provided, at its outer end, with a projection 50, that is square at 51 and screw threaded as at 52 for the reception of a nut 53. The latter holds the arm 54 in immovable position upon valve 47, the end of the arm 54 being square to correspond with the square 51- of the valve.
- a gland, 55 has a screw threaded engagement with the end of the fitting, 42, and thereby holds the plug valve 47 in place and incloses packing to provide an air proof joint between the valve, 47, and the fitting 42, as will be readily understood.
- the fitting 42 is provided on its extreme end with a serrated projection, 56, whereby .to attach a hose or pipe that communicates with a source of air supply. It is also perforated, as-at 57, and thus provides an exhaust port so that after the pistonhas made its power stroke the contents thereof may be exhausted.
- the plug valve 47 is shown in position whereby the contents of the cylinder will be exhausted through port 57 an'd'the air under pressure from the source of supply will be cut off.
- the reciprocatingrod 59 is connected with the arm 54 that moves the valve 47 by link 65.
- a receptacle for air, under pressure is employed as a sourceof air supply.
- The'receptacle is connected to the fitting 42 by hose or other suitable conduit, attached to the part 56.
- a valve adapted to be hand operated by means of which air is permitted to flow from the source ofsupply to the starting device.
- the air is turned on,-the piston 31 is reciprocated in the cylinder 30, and the pawl 20, on the ratchet wheel '12 serves to rotate the mainshaft l1, of'the engine, to the extent of the movement of the arm 15.
- a starting device for an internal combustion engine havin a shaft, a ratchet wheel fixed to the sha an arm loosely mounted onsaid shaft aupawl on said arm adapted to engage sai' ratchet wheel to rotate the shaft upon movement of said arm in one direction, a spring tending to maintain said arm in retracted position, and
- means to cause automatic intermittent for? Ward movements of said arm comprising a rodpivoted to the end of said arm, means actuated by a suitable medium to move said rod, a bracket extension upon said rod, stops engaged by said bracket at the two extremes of its movement, and means operable upon such engagement of said bracket and stops respectively to permit introduction of the actuating medium to and shut off said medium from said rod-moving means.
- a starting device for an internal cornbnstion engine having a shaft the combination, with a source of compressed air supply, of a cylinder, piston, and piston rod, a head for said cylinder having trunnion bearings for supporting said cylinder for pivotal movement, one of said trunnion bearings provided with a bore communicating with the interior of the cylinder for air supply thereto, a valve structure secured to said bored trunnion bearing, an arm at one end loose upon said engine shaft and at the other end pivoted to the end of said piston rod, means for transmitting movement in one direction from said arm to said engine shaft, a spring to return the arm, and means associated with said piston rod respectively to open and close said valve at the two extremes of the movement of said rod for automatic intermittent movements of said arm and shaft.
Description
. J. DESMOND.
AUTOMATIC STARTING DEVICE FOR I NTERNAL GOMBUSTINN ENGINES.
JUNE
APPLICATION FILED Patented. July 30, 1912.
2 SHEET8BEEET 1.
(2&4 W
J. DE$MONDQ AUTOMATIC STARTING DEVICE FOR INTERNAL COMBUSTION ENGINES.
APPLICATION FILED mm: 15, 1911.4 7 1,033, 82, Patented.July30,1912.-
g SHEETS-SHEET 2.
ILLINOIS,
JOHNDESMOND, OF CHICAGO,
ASSIGNOR 'ro WILLIAM s. rorwrn, or crrrceeo, ILLInoIs.
AUTOMATIC STARTING DEVICE FOR INTERNAL-CQMBUSTION ENGINES.
Illinois, have invented certain new and use-;
ful Improvements in Automatic Starting Devices for Internal-Combustion Engines,
of which the following is a specification.-
My invention relates bustion engines.
It has special reference to devices of this character wherein a fluid under pressure, such as air, or the like, is admitted into a:,
to give mop whereby the main shaft of the engine is rotated by a cylinder, of the starting device,
tion to a responsive'piston therein,
succession of strokes of definite length.
One of the objects, of my invention, is to f generally improve structures of this char-;
acter and to render them entirely automatic in operation. I
Other and further objects of my invention 1 will be readily understood, from a consideri 'ation of the description, hereinafter con- 1 tained, takenin conjunction with the drawings wherein; Figure 1 is showing a side elevation of my engine start- 36 ing device, as applied to the engine thereof. Fig. 2 is an enlarged elevation of the startingdevice, looking from the front of the automobile. Fig. 3 is a similar view, looking from the rear, and showing parts there 3 of in dotted line positions.
of Fig. 3. Fig. 5 is Fig. 4 is a sec- "tion, taken on line ir-4:
an enlarged, sectional, view taken on lines 5-5 of Fig. 1. Fig. 6 is a cross sectional view, taken on line 6-6 of Fig. 5, showing t the IIlOt-1V8-fluld controlling-valve in position of exhaust. Fig. 7 is a similar view showing the valve port registering with the n conduit, from the source of supply.
In all of the views the samev reference characters are used to indicate similar parts.
My device is employed for starting internal combustion engines in the same manher that engines, of this character, are started by hand, that is to say by the direct rotation of the main shaft of the engine.
In Fig. 1, 10 is an engine of the class, to which my device is especially adapted, showing parts thereof broken away. The main shaft 11 of the engine extends to the front '55 of the vehicle,-jjgst as it does when the Specification of Letters Patent.
United States, residing at to improvement in 10 automatic starting devices for internal comv to prevent its displacement over the end of an end view of an automobile,
motor means for moving Patented July 30, 1912.
Application filed June 15, 1911. Serial No. 633,272.
' engine is designed to be started by a crank lever to be operated by hand. To the end of the shaft 11 is. secured a ratchet wheel 12 and a collar 13, as by means of a key 14..
Loosely mounted on the ends of the shaft, 11, is an arm, 15, held against displacement by a collar 16, which latter is secured'to the shaft by a series of screws 17, or otherwise, so as to retain the arm 15 in associated, movable, relation with the ratchet wheel 12 and the shaft. The arm, 15, is provided with a boss, 18, which is perforated for a bolt, 19, upon which a pawl, 20, is pivoted. The
. awl 20, moves freely on its pivoted stud, or
bolt, 19, and isheld with its front end yieldingly depressed by means of the spring 21, which is secured to the arm, 15, by a screw 22. The arm, 15, normally occupies a retracted position, shown in full lines in Fig. 3, and is, after-operation,returned to this position and held by means of a spring 23, se-
cured to a stationary part of the engine frame, 10, by suitable means such as screw 24 and its other end is secured to the arm arm 15, limits the upper movement of the pawl 20 and a stop 27, secured to a fixed part of the engine frame 10, lifts the front end of the pawl when the arm 15 is in its retracted position, as shown in Fig. 3. A the arm 15 is the cylinder 30, in connection with its reciprocating piston 31. The piston stem 32 is piv otally connected with the arm, 15, as at 33, so that when the piston, 31, is reciprocated,
within the cylinder, the arm is moved from the full line position to the dotted line position, shown in Fig. 3, at the same time the pawl 20 will engage the teeth of the ratchet wheel 12, and ro'tatethe main shaft 11 of the engine.
- Air, or like fluid, under pressure, is taken .3 15, as at 25. The stop, 26, secured to the from a source of air supply and is used in the cylinder, 30, for the purpose of moving the piston, and thereby to accomplish the results described. After the parts have moved into the position shown in dotted lines, Fig. 3, and the engine shaft has been rotated correspondingly, it becomes necessary to return the parts, to the position shown in full lines and to repeat this cycle of IBOVGHIQDt. I therefore provide a valve controlling mechanism, operated automatically by the piston, by means of which the air,
another charge of air under pressure is admitted into the cylinder by the automatic manipulation of the valve.
The cylinder 30 is secured to a T shaped trunnion 85, upon which is provided a screw threaded cylinder head 36. The trunnion bearings .37 and 38.-are supported in the bearing box 39 which is secured to the frame 40 by means of screws 41. A fitting, 42, has screw threaded engagement in the end of 't'hebearing block of the trunnion 35, as at The fitting, 42, isaxially perforated, as at 44, the said perforation being in axial alinement with the perforation 45, the latter communicating with the interior of the cylinder 31. The fitting, 42, is also perforated at right angles to its axis, as at, 46.
A tapered rotary plug, valve, 47, is contained in an interfitting opening in the end of the fitting, 42. The valve, 47, is provided with ports, 48 and 49, which communicate with the perforations 44 and 46, respectively, when the 'plug valve has been rotated in the proper position, for this purpose. The plug valve, 47 is provided, at its outer end, with a projection 50, that is square at 51 and screw threaded as at 52 for the reception of a nut 53. The latter holds the arm 54 in immovable position upon valve 47, the end of the arm 54 being square to correspond with the square 51- of the valve.
A gland, 55, has a screw threaded engagement with the end of the fitting, 42, and thereby holds the plug valve 47 in place and incloses packing to provide an air proof joint between the valve, 47, and the fitting 42, as will be readily understood.
The fitting 42 is provided on its extreme end with a serrated projection, 56, whereby .to attach a hose or pipe that communicates with a source of air supply. It is also perforated, as-at 57, and thus provides an exhaust port so that after the pistonhas made its power stroke the contents thereof may be exhausted. In Fig. 6 the plug valve 47 is shown in position whereby the contents of the cylinder will be exhausted through port 57 an'd'the air under pressure from the source of supply will be cut off.
when it is moved by the piston stem 32, for.
the purpose of-controlling the valve. The reciprocatingrod 59 is connected with the arm 54 that moves the valve 47 by link 65.
In the use and operation of my automatic engine starter, a receptacle for air, under pressure, is employed as a sourceof air supply. The'receptacle is connected to the fitting 42 by hose or other suitable conduit, attached to the part 56. Between the source of air supply, and the starting device, convenientlylocated in the conduitthat 'con-' ducts the fluid, under pressure, is a valve adapted to be hand operated, by means of which air is permitted to flow from the source ofsupply to the starting device. Then the air is turned on,-the piston 31 is reciprocated in the cylinder 30, and the pawl 20, on the ratchet wheel '12 serves to rotate the mainshaft l1, of'the engine, to the extent of the movement of the arm 15. When the piston has reached the outer end of the engage the stop 63 and move the rod 59 inthe opposite direction whereby the valve 47 is rotated into the position shown in Fig. 5,
wherein the exhaust .port is closed and the source of air supply is again connected to the interior of the cylinder. When the engine has been started by this means, and becomes self operating, the power from the source of air supply may be shut ofi from the starting device, after which the spring 23, will return the parts to the position shown in Fig. 3 wherein the pawl 20 is lifted from the ratchet teeth of the wheel 12, by
the stop 27, thereby permitting the wheel 12 to turn freely and without contact with the pawl 20.
Any convenient means may beemployed in connection with the engine for compressing the air in a reservoir.
While I have herein disclosed a single embodiment of my invention, it is evident to a person skilled in theart-that many changes may be made from the s 'ecific exem lifica-' tion without departure rom the spirit of the invention and within the scope of the appended claims.
What I claim is:
19111 a starting device for an internal combustion engine havin a shaft, a ratchet wheel fixed to the sha an arm loosely mounted onsaid shaft aupawl on said arm adapted to engage sai' ratchet wheel to rotate the shaft upon movement of said arm in one direction, a spring tending to maintain said arm in retracted position, and
means to cause automatic intermittent for? Ward movements of said arm comprising a rodpivoted to the end of said arm, means actuated by a suitable medium to move said rod, a bracket extension upon said rod, stops engaged by said bracket at the two extremes of its movement, and means operable upon such engagement of said bracket and stops respectively to permit introduction of the actuating medium to and shut off said medium from said rod-moving means.
2. In a starting device for an internal cornbnstion engine having a shaft, the combination, with a source of compressed air supply, of a cylinder, piston, and piston rod, a head for said cylinder having trunnion bearings for supporting said cylinder for pivotal movement, one of said trunnion bearings provided with a bore communicating with the interior of the cylinder for air supply thereto, a valve structure secured to said bored trunnion bearing, an arm at one end loose upon said engine shaft and at the other end pivoted to the end of said piston rod, means for transmitting movement in one direction from said arm to said engine shaft, a spring to return the arm, and means associated with said piston rod respectively to open and close said valve at the two extremes of the movement of said rod for automatic intermittent movements of said arm and shaft.
In testimony whereof I hereunto set my hand in the presence of two Witnesses.
MARY F. ALLEN, W. LINN ALLEN Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,
- 1 Washington, D. C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63327211A US1033882A (en) | 1911-06-15 | 1911-06-15 | Automatic starting device for internal-combustion engines. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63327211A US1033882A (en) | 1911-06-15 | 1911-06-15 | Automatic starting device for internal-combustion engines. |
Publications (1)
Publication Number | Publication Date |
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US1033882A true US1033882A (en) | 1912-07-30 |
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US63327211A Expired - Lifetime US1033882A (en) | 1911-06-15 | 1911-06-15 | Automatic starting device for internal-combustion engines. |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3690189A (en) * | 1970-09-23 | 1972-09-12 | Fraser Webb Corp | Engine starter |
US3915064A (en) * | 1974-03-01 | 1975-10-28 | Joy Mfg Co | Fluid drive means |
US7191684B2 (en) | 2000-09-14 | 2007-03-20 | Elder Jack E | Mechanism and method for rotating a machine tool element |
-
1911
- 1911-06-15 US US63327211A patent/US1033882A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3690189A (en) * | 1970-09-23 | 1972-09-12 | Fraser Webb Corp | Engine starter |
US3915064A (en) * | 1974-03-01 | 1975-10-28 | Joy Mfg Co | Fluid drive means |
US7191684B2 (en) | 2000-09-14 | 2007-03-20 | Elder Jack E | Mechanism and method for rotating a machine tool element |
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