US1148720A - Two-cycles engine. - Google Patents
Two-cycles engine. Download PDFInfo
- Publication number
- US1148720A US1148720A US83774814A US1914837748A US1148720A US 1148720 A US1148720 A US 1148720A US 83774814 A US83774814 A US 83774814A US 1914837748 A US1914837748 A US 1914837748A US 1148720 A US1148720 A US 1148720A
- Authority
- US
- United States
- Prior art keywords
- piston
- ports
- cylinder
- intake
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000203 mixture Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
Images
Classifications
-
- 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
- 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
- LAWSON citizens of the United States, residing at San Fran.-
- the object of the present invention is to provide an improved form of two-cycle in-.
- ternal combustion engine which will have high eflicincy, and no complications due to valve trouble, and be light in proportion to its power.
- Figure 1 is a vertical section of the cylinder of our improved engine
- Fig. 2 is a horizontal section thereof on the line 22 of Fig. 1.
- 1 indicates a pipe, leading from a carbureter or any other 4 device for producing a gas mixture, to the inlet of a turbine-blower 2 of a sufiicicnt number of Stages to obtain the necessary pressurefor any rotary blower. or other device of sufficient capacityv and pressure, a
- a deflector 11 which extends opposite, or in proximity to, the intake ports, and rises above the edge of the hollow piston as well-as extends'below said edge, the portion within the piston being spaced therefrom-substantially the same distance as the outer poitionis spaced from the cylinder, so-tha't gases injected through the intake ports are deflected substantially equally both inward and out- Ward;
- the cylinder head 12 is formed to receive-the piston and the deflector.
- any suitable means 'of preventing back firing in the case of imperfect mixture may be placed in the chamber 4, which also serves as a. reservoir for a charge of gas when the ⁇ Torts 5 are covered by the piston 7 "In operation, when the intake and exhaust ports are opened by the downward movement of the piston, the waste gases in the center-of thecylinder, which are opposite said exhaust ports, are the first to flow out therefrom. The other waste gases, in the ends of the cylinder, flow toward the center, and their place is taken at both endsof the cylinder by the incoming fuel mixture.
- Thls principle of construction is adaptable to either single or double acting internal combustion engines using gas or any low face being concave, and a deflectorcarried" thereby the' edge of which nearer to the piston is spaced from the piston to permit the fuel mixture to pass into said concavity.
- a cylinder hav.-' ing intake and exhaust ports, apiston ar ranged to close said ports, and a. deflector carried thereby the edgeof whichnearer to curved away from the intake may thepiston is spaced from the-piston andiis.
Description
F. W. SCHULTZ & F. B. LAWSON.-
TWO-CYCLE ENGINE.
APPLICATION FILED MAY II IN VEN TORS Frederak W. Saudi} Franklin 3. Lawson A TTOR NE Y "II" A jaw; 74.. way w.
n a n n I I i. ,f MK, y \F7 In m/ //1 K... 1 I I. 1 II; III. I MWMWMI T. n, a, I \\\\\N\\\\\ WITNESSES FREDERICK W. SCHULTZ AND FRANKLIN B. LAWSON, 0F FRANCISCO} CALIFORNIA.
TWO-CYCLE ENGINE.
masteol Specification of Letters Patent.
Patented Aug. 3, 1915..
Application filed my 11, 1914 Serial No. 837,748.
To all whom it may concern: I
Be it known that We, FREDERICK W.
SCHULTZ and FRANKLIN B. LAWSON, citizens of the United States, residing at San Fran.-
cisco, county of San Francisco, and State of California, have invented new and useful Improvements in Two-Cycle Engines, 0 which the following is a specification. w i,
The object of the present invention is to provide an improved form of two-cycle in-.
ternal combustion engine, which will have high eflicincy, and no complications due to valve trouble, and be light in proportion to its power.
In the accompanying drawing, Figure 1 is a vertical section of the cylinder of our improved engine; Fig. 2 is a horizontal section thereof on the line 22 of Fig. 1.
Referring to the drawing, 1 indicates a pipe, leading from a carbureter or any other 4 device for producing a gas mixture, to the inlet of a turbine-blower 2 of a sufiicicnt number of Stages to obtain the necessary pressurefor any rotary blower. or other device of sufficient capacityv and pressure, a
pipe 3 leading from the outlet ofsaid blower to a chamber 4 around the intake ports 5 of a cylinder 6. In said cylinder can reciprocate apiston 7, whichxinits reciprocation opens and closes both-said ports 5 and exhaust ports 8 leading into an exhaust chamber 9 connected to an exhaust pipe 10. To said piston is secured, preferably by being formed integral therewith, a deflector 11 which extends opposite, or in proximity to, the intake ports, and rises above the edge of the hollow piston as well-as extends'below said edge, the portion within the piston being spaced therefrom-substantially the same distance as the outer poitionis spaced from the cylinder, so-tha't gases injected through the intake ports are deflected substantially equally both inward and out- Ward; Thus the. deflector is of an approxi mately ogee form, asshown. The cylinder head 12 is formed to receive-the piston and the deflector.
' Any suitable means 'of preventing back firing in the case of imperfect mixture may be placed in the chamber 4, which also serves as a. reservoir for a charge of gas when the {Torts 5 are covered by the piston 7 "In operation, when the intake and exhaust ports are opened by the downward movement of the piston, the waste gases in the center-of thecylinder, which are opposite said exhaust ports, are the first to flow out therefrom. The other waste gases, in the ends of the cylinder, flow toward the center, and their place is taken at both endsof the cylinder by the incoming fuel mixture. By this construction then perfect scavenging is effected in both ends of the cylinder; Thls principle of construction is adaptable to either single or double acting internal combustion engines using gas or any low face being concave, and a deflectorcarried" thereby the' edge of which nearer to the piston is spaced from the piston to permit the fuel mixture to pass into said concavity.
2. In a two-cycle engine, a cylinder hav.-' ing intake and exhaust ports, apiston ar ranged to close said ports, and a. deflector carried thereby the edgeof whichnearer to curved away from the intake may thepiston is spaced from the-piston andiis.
ing intake and exhaust'ports, a hollow pis ton arranged to close said ports, and a deg; fiector carried therebyextendingihto the cavity thereof, and spaced from the edgeof the piston both above and :below said edge to provide outer and inner paths between"? the intake and exhaust ports for the fuel] mixture. 4. In a two-cycle engine, a cylinder having; intake and exhaust ports, a hollow pis ton arranged-t0 close said ports, and a de- In testimony whereof We have hereunto set our hands in the presence of two sub- 1( flectozcarried thereby extending both above scribing witnesses. v
and below the edge of the piston, the part of the deflector within the piston being spaced therefrom as the part without is spaced from the cylinder.
substantially the same distance.
FREDERICK \V. SCHULTZ. v FRANKLIN B. LANSOhh Witnesses FRANCIS M. WVRIGIIT, D. B. RICHARDS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83774814A US1148720A (en) | 1914-05-11 | 1914-05-11 | Two-cycles engine. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83774814A US1148720A (en) | 1914-05-11 | 1914-05-11 | Two-cycles engine. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1148720A true US1148720A (en) | 1915-08-03 |
Family
ID=3216802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US83774814A Expired - Lifetime US1148720A (en) | 1914-05-11 | 1914-05-11 | Two-cycles engine. |
Country Status (1)
Country | Link |
---|---|
US (1) | US1148720A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174685A (en) * | 1978-07-05 | 1979-11-20 | Ab Volvo Penta | Two stroke cycle internal combustion engine |
-
1914
- 1914-05-11 US US83774814A patent/US1148720A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174685A (en) * | 1978-07-05 | 1979-11-20 | Ab Volvo Penta | Two stroke cycle internal combustion engine |
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