US1629686A - Engine - Google Patents

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Publication number
US1629686A
US1629686A US128752A US12875226A US1629686A US 1629686 A US1629686 A US 1629686A US 128752 A US128752 A US 128752A US 12875226 A US12875226 A US 12875226A US 1629686 A US1629686 A US 1629686A
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United States
Prior art keywords
pistons
movement
engine
rotary shaft
shaft
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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
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US128752A
Inventor
Charles A Dreisbach
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DREISBACH MOTORS Inc
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DREISBACH MOTORS Inc
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Publication date
Application filed by DREISBACH MOTORS Inc filed Critical DREISBACH MOTORS Inc
Priority to US128752A priority Critical patent/US1629686A/en
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Publication of US1629686A publication Critical patent/US1629686A/en
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Expired - Lifetime legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01BMACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0079Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having pistons with rotary and reciprocating motion, i.e. spinning pistons
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/18Mechanical movements
    • Y10T74/18056Rotary to or from reciprocating or oscillating
    • Y10T74/18296Cam and slide
    • Y10T74/18304Axial cam
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/18Mechanical movements
    • Y10T74/18056Rotary to or from reciprocating or oscillating
    • Y10T74/18296Cam and slide
    • Y10T74/18304Axial cam
    • Y10T74/18312Grooved

Definitions

  • each piston is provided on its outer periphery, with a group of piston rings 53, engaging the interior surface of the cylinder 24 and with groups 55 of interior piston rings embracing the shaft 27.
  • a drive disc 57 For the purpose of causing the reciprocating movement of the pistons to effect the rotation of the shaft 27, I rigidly mount on the latter, and within each piston, a drive disc 57, provided with two oppositely projecting pins 58, each carrying at its outer end a taper roller 59, fitting snugly in the reversely inclined cam groove 60, in the cam members 47 aforesaid.
  • Each drive disc 57 as shown, is secured to the shaft 27, by means of a taper-pin 61.
  • the cam grooves 60 is shaped to insure two complete reciprocations of any given piston, for each complete revolution of the shaft 27.
  • each of these chambers is provided with a radial passage 62 receiving a spark plug 63 and is located in line with its complementary valve 38, midway between the complementary ports 36 and 37 as clearly shown in Figs. 5 to 8 inclusive.
  • each combustion. chamber in turn has drawn into it a charge of combustible mixture, where it is in turn compressed, exploded and exhausted. It will also be noted that each piston completes one cycle of four phases namely, iii-take, compression, explosion and exhaust, once for each revolution of the shaft 27.
  • An engine comprising a cylinder, a plurality of co-axial reciprocating pistons located therein, means of limiting the said pistons to movement in a rectilinear path, a rotary shaft extending centrally through said pistons, helical cam grooves having reversely inclined reaches locatedwithin the said pistons, and transmission members secured to the said rotary shaft and engaging the said cam grooves whereby the rectilinear movement of the pistons acts to rotate the shaft.
  • An engine comprising a cylinder, a plurality of co-axial reciprocating pistons located therein, means for limiting the said pistons to movement in a rectilinear path, a rotary shaft extending centrally through said pistons, cam members carried by said pistons within the same and formed with helical cam grooves having reversely inclined reaches and transmission members secured to the said rotary shaft and engaging the said cam grooves whereby the rectilinear movement of the pistons acts to rotate the shaft.
  • An engine comprising a cylinder, a plurality of co-axial reciprocating pistons located therein, means for limiting the said pistons to movement in a rectilinear path, a rotary shaft extending centrally through said piston, seals between the said pistons and rotary shaft and between said pistons and cylinder .wall, helical cam-grooves having reversely inclined reaches located within said pistons and transmission members secured t0 the said rotary shaft andengaging the said cam-grooves whereby the rectilinear movement of the pistons acts to rotate the shaft.
  • An engine comprising a cylinder with a plurality of intake and exhaust ports, a plurality of coaxial reciprocating pistons located therein, means for limiting the said pistons to movement in a rectilinear path, a plurality of rotary valves also located in the said cylinder for covering and uncovering the said intake and exhaust ports, a rotary shaft extending centrally through said pistons, cam members carried by said pistons within the same and formed with helical cam grooves having reversely inclined reaches, and transmission members secured to the said rotary shaft and engaging the said cam: grooves whereby the rectilinear movement of the pistons acts to rotate the shaft.
  • Anengine comprising a cylinder, a plurality of co-axial reciprocatingpistons located therein in such a manner as to virtually divide the same into a series of combustion chambers, intake and exhaust ports for the said chamberspmeans for limiting the said pistons to movement in a rectilinear path, a rotary shaft extending centrally through said pistons, cam members carried by said pistons Within the same and formed With helical cam grooves having reversely inclined reaches, and transmission members secured to the said rotary shaft and engaging the said cam grooves whereby the rectilinear movement of the pistons acts to rotate the shaft.
  • An engine comprising a cylinder, a plurality of co-aXial reciprocating pistons located therein in such a manner as to virtually divide the same into a series of combustion chambers, intake and exhaust ports for the said chambers, means for limiting the said pistons to movement in a rectilinear path, a rotary shaft extending centrally through saidpistons, rotary valves located in said combustion chambers for covering and uncovering the said ports.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Description

May 24, 1927.
ENGINE Filed Aug. 12. 1926 C. A. DREISBACH 5 Shuts-Shoot; 1
MaMM
1,629,66 1927' c. A. DREISBACH ENGINE Filed Aug. 12. 1925 5 Sheets-Sheet; 3
' 1,629 ass 1927' c. A. DR EISBACH v ENGINE Filed M12. 12. 1926 5 shuts-sheet 5 A s (HIIL W!!! i located longitudinal slots 48, receiving the flattened inner end 129, of guide pins 50, seated in sockets 51 formed in the cylinder 24:, at opposite points thereon and held in place therein by screw plugs 52.
nt its opposite ends respectively, each piston is provided on its outer periphery, with a group of piston rings 53, engaging the interior surface of the cylinder 24 and with groups 55 of interior piston rings embracing the shaft 27.
For the purpose of causing the reciprocating movement of the pistons to effect the rotation of the shaft 27, I rigidly mount on the latter, and within each piston, a drive disc 57, provided with two oppositely projecting pins 58, each carrying at its outer end a taper roller 59, fitting snugly in the reversely inclined cam groove 60, in the cam members 47 aforesaid. Each drive disc 57 as shown, is secured to the shaft 27, by means of a taper-pin 61.
As will be seen from Fig. 9 of the drawings, the cam grooves 60, is shaped to insure two complete reciprocations of any given piston, for each complete revolution of the shaft 27.
For the purpose of igniting the explosive mixture, when drawn into and compressed in the combustion chambers, 31, 32, 33, 34 and 35, each of these chambers is provided with a radial passage 62 receiving a spark plug 63 and is located in line with its complementary valve 38, midway between the complementary ports 36 and 37 as clearly shown in Figs. 5 to 8 inclusive.
For the purpose of describing the operation of my improved engine, it may be assumed that the explosive mixture in the end combustion chambers- 31 and have been ignited and the piston has been forced from left to right and the piston 23 forced from right to left with the effect of causing the cam members 47 of the said piston to act through the appropriate rollers 59 and drive discs 57 to impart a rotating movement to the shaft 27. While the action just described is taking place, the mixture previously drawn into the combustion chamber will. be compressed between the pistons 20 and Q1 preparatory to ignition while a vacuum will be created in the combustion chamber by the separation of the pistons 21 and 22. Meanwhile also, the previously exploded mixture in the chamber 34:, will be forced outward through its exhaust port 37 by the approach of pistons 22 and 23, toward each other.
From the foregoing it will. be seen that each combustion. chamber in turn has drawn into it a charge of combustible mixture, where it is in turn compressed, exploded and exhausted. It will also be noted that each piston completes one cycle of four phases namely, iii-take, compression, explosion and exhaust, once for each revolution of the shaft 27.
I claim 1". An engine comprising a cylinder, a plurality of co-axial reciprocating pistons located therein, means of limiting the said pistons to movement in a rectilinear path, a rotary shaft extending centrally through said pistons, helical cam grooves having reversely inclined reaches locatedwithin the said pistons, and transmission members secured to the said rotary shaft and engaging the said cam grooves whereby the rectilinear movement of the pistons acts to rotate the shaft.
2 An engine comprising a cylinder, a plurality of co-axial reciprocating pistons located therein, means for limiting the said pistons to movement in a rectilinear path, a rotary shaft extending centrally through said pistons, cam members carried by said pistons within the same and formed with helical cam grooves having reversely inclined reaches and transmission members secured to the said rotary shaft and engaging the said cam grooves whereby the rectilinear movement of the pistons acts to rotate the shaft.
3. An engine, comprising a cylinder, a plurality of co-axial reciprocating pistons located therein, means for limiting the said pistons to movement in a rectilinear path, a rotary shaft extending centrally through said piston, seals between the said pistons and rotary shaft and between said pistons and cylinder .wall, helical cam-grooves having reversely inclined reaches located within said pistons and transmission members secured t0 the said rotary shaft andengaging the said cam-grooves whereby the rectilinear movement of the pistons acts to rotate the shaft.
4. An engine comprising a cylinder with a plurality of intake and exhaust ports, a plurality of coaxial reciprocating pistons located therein, means for limiting the said pistons to movement in a rectilinear path, a plurality of rotary valves also located in the said cylinder for covering and uncovering the said intake and exhaust ports, a rotary shaft extending centrally through said pistons, cam members carried by said pistons within the same and formed with helical cam grooves having reversely inclined reaches, and transmission members secured to the said rotary shaft and engaging the said cam: grooves whereby the rectilinear movement of the pistons acts to rotate the shaft.
5. Anengine comprising a cylinder, a plurality of co-axial reciprocatingpistons located therein in such a manner as to virtually divide the same into a series of combustion chambers, intake and exhaust ports for the said chamberspmeans for limiting the said pistons to movement in a rectilinear path, a rotary shaft extending centrally through said pistons, cam members carried by said pistons Within the same and formed With helical cam grooves having reversely inclined reaches, and transmission members secured to the said rotary shaft and engaging the said cam grooves whereby the rectilinear movement of the pistons acts to rotate the shaft.
6. An engine comprising a cylinder, a plurality of co-aXial reciprocating pistons located therein in such a manner as to virtually divide the same into a series of combustion chambers, intake and exhaust ports for the said chambers, means for limiting the said pistons to movement in a rectilinear path, a rotary shaft extending centrally through saidpistons, rotary valves located in said combustion chambers for covering and uncovering the said ports.
In testimony whereof, I have signed this specification.
CHARLES A. D-REISBACH.
US128752A 1926-08-12 1926-08-12 Engine Expired - Lifetime US1629686A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532106A (en) * 1946-12-06 1950-11-28 Korsgren Theodore Yngve Multiple opposed piston engine
US2578559A (en) * 1946-12-06 1951-12-11 Koragren Theodore Yngve Motion converting mechanism
US2896590A (en) * 1957-04-05 1959-07-28 Garrett Corp Fluid motor
US2948265A (en) * 1957-11-20 1960-08-09 Garrett Corp Fluid motor
DE1161083B (en) * 1957-04-05 1964-01-09 Garrett Corp Piston machine with coaxial cylinders, pistons and coaxial shaft
WO1986004637A1 (en) * 1985-01-31 1986-08-14 Robert Charles Cahill Axial shaft piston engine
US5950580A (en) * 1998-03-27 1999-09-14 Birckbichler Engine Research, Inc. Reciprocating engine with crankplate
US6662775B2 (en) 1999-03-23 2003-12-16 Thomas Engine Company, Llc Integral air compressor for boost air in barrel engine
US6698394B2 (en) 1999-03-23 2004-03-02 Thomas Engine Company Homogenous charge compression ignition and barrel engines
US8046299B2 (en) 2003-10-15 2011-10-25 American Express Travel Related Services Company, Inc. Systems, methods, and devices for selling transaction accounts

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532106A (en) * 1946-12-06 1950-11-28 Korsgren Theodore Yngve Multiple opposed piston engine
US2578559A (en) * 1946-12-06 1951-12-11 Koragren Theodore Yngve Motion converting mechanism
US2896590A (en) * 1957-04-05 1959-07-28 Garrett Corp Fluid motor
DE1161083B (en) * 1957-04-05 1964-01-09 Garrett Corp Piston machine with coaxial cylinders, pistons and coaxial shaft
US2948265A (en) * 1957-11-20 1960-08-09 Garrett Corp Fluid motor
WO1986004637A1 (en) * 1985-01-31 1986-08-14 Robert Charles Cahill Axial shaft piston engine
US5950580A (en) * 1998-03-27 1999-09-14 Birckbichler Engine Research, Inc. Reciprocating engine with crankplate
US6662775B2 (en) 1999-03-23 2003-12-16 Thomas Engine Company, Llc Integral air compressor for boost air in barrel engine
US6698394B2 (en) 1999-03-23 2004-03-02 Thomas Engine Company Homogenous charge compression ignition and barrel engines
US8046299B2 (en) 2003-10-15 2011-10-25 American Express Travel Related Services Company, Inc. Systems, methods, and devices for selling transaction accounts

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