US1142545A - Internal-combustion engine. - Google Patents

Internal-combustion engine. Download PDF

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Publication number
US1142545A
US1142545A US62315A US62315A US1142545A US 1142545 A US1142545 A US 1142545A US 62315 A US62315 A US 62315A US 62315 A US62315 A US 62315A US 1142545 A US1142545 A US 1142545A
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United States
Prior art keywords
chamber
plug
internal
auxiliary
combustion engine
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Expired - Lifetime
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US62315A
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Frank E Wade
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Individual
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Priority to US62315A priority Critical patent/US1142545A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Definitions

  • My invention relates to internal combustion engines preferably of the two-cycle type, in which an auxiliary combustion chamber is provided at one end of the cylinder communicating through a port with the main combustion chamber, a by-pass being provided through which a small charge of gas is conducted to the auxiliary chamber and ignited to insure the operation of the engine at slow speed or under light load.
  • the object of my invention is to provide improved means for controlling the flow of gas from the by-pass into the auxiliary combustion chamber, such means being positive and reliable in action and not depending upon the use of spring or being in danger of sticking or binding in an open or closed position.
  • the invention consists generally in various constructions and combinations, all as hereinafter described and particularly pointed out in the claim.
  • Figure 1 is a longitudinal sectional view through a portion of the cylinder of a gas engine with my invention applied thereto.
  • Fig. 2 is a transverse sectional view, showing the preferred manner of mounting the valve in the walls of the auxiliary combustion chamber.
  • 2 represents the engine cylinder and 3 the piston.
  • the cylinder is preferably provided with a conical extension 4 at one end, forming a continuation 5 of the main combustionchamber, and at the end of this conical extension an auxiliary combustion chamber 6 is provided, said extension having a port 7 in one end leading to the chamber 6.
  • a spark plug 8 is mount ed in the side walls of said auxiliary chamber in the path of the charge of gas delivered thereto. This gas charge is conducted preferably through a by-pass 9 wh1ch extends along through the wall of the cylinder and the conical extension and around the end preferably of the auxiliary combustion chamber.
  • a plug 10 is tapped into the wall of the auxiliary chamber and a gasket 11 1s pref- Specification of Letters Patent.
  • the plug 10 has a longitudinal duct 13 therein and an opening or slot 14 is provided in the side wall of the duct communicating with the by-pass, across which the plug extends, so that the charge of gas is permitted to enter the duct.
  • the inner end of the plug has a valve seat 15 thereon adapted to receive a ball valve 16 which has a limited movement between said seat and a pin 17 that is mounted in cars 18 which project into the auxiliary combustion chamber, said pin being in the path of the ball and preventing it from falling off the seat while allowing it to drop away sufficiently to permit the gas charge in the by-pass to flow into the auxiliary com-
  • This ball valve is free to roll around in its confined space and seat itself on the end of the plug when the charge is exploded and is free to open and admit the fresh charge when the pressure is relieved in the combustion chamber.
  • This valve having no sliding stem and being free to work around and seat itself, cannot become corroded on its seat and cannot stick as a slide valve is apt to do.
  • An internal combustion engine comprising a cylinder having a main combustion chamber and an auxiliary combustion chamber at one end thereof and a port leading from said auxiliary chamber to said main chamber, said cylinder having a by-pass for the passage of gas, a plug tapped into the wall of said auxiliary combustion chamber and having a longitudinal duct therein, and an opening in the wall of said duct to communicate with said by-pass when said plug is fitted Patented June 8, 1915.
  • said plug hav- In witness whereof, I have hereunto set 31% a sleat fat thedinner egd of saiddduct, a my hand this 23rd day of December, 1914.

Description

F. E. WADE.
INTERNAL COMBUSTION ENGINE.
APPLICATION FILED IAN.5. 1915.
K0. m 8 e n H J M m t l 22 1 6 f a 4 F 2 4 E m m M IVIT/ EJJ'EJ yap mg QQCPA UNITED STATES PATENT OFFICE.
FRANK E. WADE, FAIRMONT, .MINNESOTA.
INTERNAL-COMBUSTION ENGINE.
To all whom it may concern Be it known that I, FRANK E. WADE, citizen of the United States,-resident of Fairmont, county of Martin, State of'Minnesota, have invented certain new and useful Improvements in Internal- Combustion Engines, of which the following is a specification.
My invention relates to internal combustion engines preferably of the two-cycle type, in which an auxiliary combustion chamber is provided at one end of the cylinder communicating through a port with the main combustion chamber, a by-pass being provided through which a small charge of gas is conducted to the auxiliary chamber and ignited to insure the operation of the engine at slow speed or under light load.
The object of my invention is to provide improved means for controlling the flow of gas from the by-pass into the auxiliary combustion chamber, such means being positive and reliable in action and not depending upon the use of spring or being in danger of sticking or binding in an open or closed position.
The invention consists generally in various constructions and combinations, all as hereinafter described and particularly pointed out in the claim.
Figure 1 is a longitudinal sectional view through a portion of the cylinder of a gas engine with my invention applied thereto. Fig. 2 is a transverse sectional view, showing the preferred manner of mounting the valve in the walls of the auxiliary combustion chamber.
In the drawing, 2 represents the engine cylinder and 3 the piston. The cylinder is preferably provided with a conical extension 4 at one end, forming a continuation 5 of the main combustionchamber, and at the end of this conical extension an auxiliary combustion chamber 6 is provided, said extension having a port 7 in one end leading to the chamber 6. A spark plug 8 is mount ed in the side walls of said auxiliary chamber in the path of the charge of gas delivered thereto. This gas charge is conducted preferably through a by-pass 9 wh1ch extends along through the wall of the cylinder and the conical extension and around the end preferably of the auxiliary combustion chamber.
A plug 10 is tapped into the wall of the auxiliary chamber and a gasket 11 1s pref- Specification of Letters Patent.
'bustion chamber.
:erably interposed between the wall inclosing said chamber and the head 12 of the plug, said gasket preventing the water in the jacket, (not shown) inclosing the chamber from working into the by-pass.
The plug 10 has a longitudinal duct 13 therein and an opening or slot 14 is provided in the side wall of the duct communicating with the by-pass, across which the plug extends, so that the charge of gas is permitted to enter the duct.
The inner end of the plug has a valve seat 15 thereon adapted to receive a ball valve 16 which has a limited movement between said seat and a pin 17 that is mounted in cars 18 which project into the auxiliary combustion chamber, said pin being in the path of the ball and preventing it from falling off the seat while allowing it to drop away sufficiently to permit the gas charge in the by-pass to flow into the auxiliary com- This ball valve is free to roll around in its confined space and seat itself on the end of the plug when the charge is exploded and is free to open and admit the fresh charge when the pressure is relieved in the combustion chamber. This valve having no sliding stem and being free to work around and seat itself, cannot become corroded on its seat and cannot stick as a slide valve is apt to do. Furthermore, no dependence is placed-upon a spring for operating the valve, it normally opening by gravity to allow the entrance of the fresh charge and closing when pressure is exerted thereon from the inside. Access to this valve may immediately be had by the removal of the plug from the wall of the chamber.
I do not wish to be confined to any particular size or arrangement-of this valve, as these minor details may be modified in various ways and still be within the scope of my invention.
I claim as my invention:
An internal combustion engine comprising a cylinder having a main combustion chamber and an auxiliary combustion chamber at one end thereof and a port leading from said auxiliary chamber to said main chamber, said cylinder having a by-pass for the passage of gas, a plug tapped into the wall of said auxiliary combustion chamber and having a longitudinal duct therein, and an opening in the wall of said duct to communicate with said by-pass when said plug is fitted Patented June 8, 1915.
Application filed January 5, 1915. Serial No. 623.
into the wall of said chamber, said plug hav- In witness whereof, I have hereunto set 31% a sleat fat thedinner egd of saiddduct, a my hand this 23rd day of December, 1914.
a va ve or sai seat a apted to rep inwardly by gravity and allow the passage of FRANK WADE S gas from said by-pass to said auxiliary Witnesses:
chamber and means for limiting the inward W. F. KAsPER, movement of said'valve. H. E. WADE.
US62315A 1915-01-05 1915-01-05 Internal-combustion engine. Expired - Lifetime US1142545A (en)

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US62315A US1142545A (en) 1915-01-05 1915-01-05 Internal-combustion engine.

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US62315A US1142545A (en) 1915-01-05 1915-01-05 Internal-combustion engine.

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US1142545A true US1142545A (en) 1915-06-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5692468A (en) * 1995-07-25 1997-12-02 Outboard Marine Corporation Fuel-injected internal combustion engine with improved combustion
US6435159B1 (en) 2000-05-10 2002-08-20 Bombardier Motor Corporation Of America Fuel injected internal combustion engine with reduced squish factor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5692468A (en) * 1995-07-25 1997-12-02 Outboard Marine Corporation Fuel-injected internal combustion engine with improved combustion
US6435159B1 (en) 2000-05-10 2002-08-20 Bombardier Motor Corporation Of America Fuel injected internal combustion engine with reduced squish factor

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