US1399666A - Engine - Google Patents

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Publication number
US1399666A
US1399666A US414909A US41490920A US1399666A US 1399666 A US1399666 A US 1399666A US 414909 A US414909 A US 414909A US 41490920 A US41490920 A US 41490920A US 1399666 A US1399666 A US 1399666A
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United States
Prior art keywords
piston
engine
cylinders
shaft
gear
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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
Application number
US414909A
Inventor
Draper W Short
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to US414909A priority Critical patent/US1399666A/en
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Publication of US1399666A publication Critical patent/US1399666A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups
    • F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with crankshaft
    • F01B9/026—Rigid connections between piston and rod; Oscillating pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups
    • F01B9/04—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with rotary main shaft other than crankshaft
    • F01B9/047—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with rotary main shaft other than crankshaft with rack and pinion
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
    • F02B75/246—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type with only one crankshaft of the "pancake" type, e.g. pairs of connecting rods attached to common crankshaft bearing
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18088—Rack and pinion type
    • Y10T74/18112—Segmental pinion

Definitions

  • Patented cc. 6, 1921 Patented cc. 6, 1921.
  • This invention relates to engines, particularly to those of the internal combustion type, and has for its object the provision of an engine having alined cylinders within which is movable a single double-acting piston formed hollow and provided internally with rack teeth meshing with a segmental gear carried by the crank shaft, the piston receiving a power impulse at each end of its stroke whereby there will be no idle strokes.
  • An important object is the provision of an engine of this character which will be simple and inexpensive in manufacture, eflicient in use, powerful in action, durable in service, and a general improvement in the art.
  • Fig. 2 is an elevation at right angles to Fig. 1, and
  • Fig. 3 is a cross sectional view.
  • the numeral 10 designates a species of crank case from opposite sides of which extend cylinders 11 which may be alined and which are provided at their outer ends with holes 12 into which are screwed the usual spark plugs 13. Only two cylinders are shown but it is readily understood that any desired number are employed.
  • the numeral 14 designates the shaft which carries the usual Fly-wheel 15.
  • the piston is formed open at its center, as indicated at 18, and has opposite sides of its inner walls formed with racks 19. Secured uion the shaft 14 is a segmental gear 21 which meshes with the racks 19 successively as the piston is recipthe proper time.
  • the opening being elongated, the opposite longitudinal walls of said opening being formed with rack teeth meshing with said segmental gear, one set of rack teeth meshing with the gear at one stroke of the piston and the other set meshing with the gear on the opposite stroke.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transmission Devices (AREA)

Description

n. w. SHORT.
ENGINE.
APPLICATION FILED OCT. 5, 1920.
1,399,666, Patented Dec. fi, 1921.
2 SHEETSSHEET 1.
flu INVENTDR ATTORNEY OF E.
DRAIPER W. SHORT, 0F EMPIRE, OREGON.
ENGINE.
Specification of Letters Patent.
Patented cc. 6, 1921.
Application filed October 5, 1920. Serial No. 414,909.
To all whom it may concern:
Be it known that I, DRAPER W. SHORT, a citizen of the United States, residing at Empire, in the county of Coos and State of Oregon, have invented new and useful Improvements in Engines, of which the following is a specification.
This invention relates to engines, particularly to those of the internal combustion type, and has for its object the provision of an engine having alined cylinders within which is movable a single double-acting piston formed hollow and provided internally with rack teeth meshing with a segmental gear carried by the crank shaft, the piston receiving a power impulse at each end of its stroke whereby there will be no idle strokes.
An important object is the provision of an engine of this character which will be simple and inexpensive in manufacture, eflicient in use, powerful in action, durable in service, and a general improvement in the art.
With the above and other objects and advantages in view, the invention consists in the details of construction to be hereinafter more fully described and claimed and illustrated in the accompanying drawings in which- Figure 1 is a longitudinal sectional view,
Fig. 2 is an elevation at right angles to Fig. 1, and
Fig. 3 is a cross sectional view.
Referring more particularly to the drawings, the numeral 10 designates a species of crank case from opposite sides of which extend cylinders 11 which may be alined and which are provided at their outer ends with holes 12 into which are screwed the usual spark plugs 13. Only two cylinders are shown but it is readily understood that any desired number are employed. The numeral 14 designates the shaft which carries the usual Fly-wheel 15.
I make use of a single piston 16 operating within two cylinders 11 and this piston has both ends formed identically the same and of course provided with the usual packing rings 17. The piston is formed open at its center, as indicated at 18, and has opposite sides of its inner walls formed with racks 19. Secured uion the shaft 14 is a segmental gear 21 which meshes with the racks 19 successively as the piston is recipthe proper time.
In the operation it will be seen that when the piston is at either limit of its move ment, which is at the end of its compression stroke, and the explosion occurs through ignition of the charge by the adjacent plug 13, the piston will be driven to the other limit of its movement whereupon one set of rack teeth 19 will engage the segmental gear 21 and rotate the shaft 14. On the return stroke the other set of rack teeth will engage the gear and this movement is of course continuous as long as explosive fuel is fed to the cylinders and ignited.
From the foregoing description and a study of the drawings it will be apparent that l have thus provided a simply con structed and efficient engine in which the use of cranks, connecting rods and other parts is entirely eliminated so that the utmost simplicity together with the very minimum number of parts is attained.
While I have shown and described the preferred embodiment of my invention, it is of course to be understood that I reserve the right to make such changes in the form, construction, and arrangement of parts as will not depart from the spirit of the invention or the scope of the subjoined claim.
Having thus described my invention, I claim:
In an engine, a pair of alined cylinders, sparking members at the outer ends of said cylinders, a shaft journaled between the inner ends of said cylinders, a segmental gear on said shaft, and a single piston mounted for reciprocation within said cylinders and formed open at its central portion. the opening being elongated, the opposite longitudinal walls of said opening being formed with rack teeth meshing with said segmental gear, one set of rack teeth meshing with the gear at one stroke of the piston and the other set meshing with the gear on the opposite stroke.
In testimony whereof I affix my signature.
DR-APER W. SHORT.
US414909A 1920-10-05 1920-10-05 Engine Expired - Lifetime US1399666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US414909A US1399666A (en) 1920-10-05 1920-10-05 Engine

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813467A (en) * 1955-06-30 1957-11-19 Vigneri Giuseppi Reciprocating concrete screed
US2863426A (en) * 1953-08-14 1958-12-09 Summerlin Frederick Arthur Internal combustion engines
US3861223A (en) * 1973-04-30 1975-01-21 Anton Braun Fixed stroke piston machines with improved counterbalancing and driving mechanism
US4485769A (en) * 1981-12-28 1984-12-04 Carson Douglas T Engine
US4658768A (en) * 1981-12-28 1987-04-21 Carson Douglas T Engine
US4864976A (en) * 1988-05-27 1989-09-12 Avelino Falero Internal combustion engine and piston structure therefore
US5062394A (en) * 1987-07-08 1991-11-05 Belford James R Mechanism for converting reciprocatory motion into rotary motion in an engine
US5094202A (en) * 1987-07-08 1992-03-10 Belford James R Mechanism for converting reciprocating motion into rotary motion
US5406859A (en) * 1987-07-08 1995-04-18 Belford; James R. Device for transferring power between linear and rotary motion
WO1995030846A1 (en) * 1994-05-06 1995-11-16 Iraj Yadegar An apparatus for conversion of reciprocating motion to rotary motion and vice versa
DE19538798A1 (en) * 1995-10-18 1997-04-24 Schwab Christian Dipl Designer Rack gearing to convert reciprocating motion into rotary motion
US20040261750A1 (en) * 2003-06-20 2004-12-30 3Rd Millennium Solutions, Ltd. Internal combustion engine having dual piston cylinders and linear drive arrangement
US20050011487A1 (en) * 2003-07-18 2005-01-20 Warren Arthur Earl One cycle/dual piston engine
US20080060602A1 (en) * 2006-09-07 2008-03-13 Heimbecker John A Self-lubricating piston
US20080060628A1 (en) * 2006-09-07 2008-03-13 Heimbecker John A Self-lubricating piston
US8127544B2 (en) * 2010-11-03 2012-03-06 Paul Albert Schwiesow Two-stroke HCCI compound free-piston/gas-turbine engine
US9964030B1 (en) * 2016-09-09 2018-05-08 Nolton C. Johnson, Jr. Tethered piston engine
DE102007005228B4 (en) 2006-08-25 2020-07-02 Grini Miskarov Motor with a piston with a rectangular cross section

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863426A (en) * 1953-08-14 1958-12-09 Summerlin Frederick Arthur Internal combustion engines
US2813467A (en) * 1955-06-30 1957-11-19 Vigneri Giuseppi Reciprocating concrete screed
US3861223A (en) * 1973-04-30 1975-01-21 Anton Braun Fixed stroke piston machines with improved counterbalancing and driving mechanism
US4485769A (en) * 1981-12-28 1984-12-04 Carson Douglas T Engine
US4658768A (en) * 1981-12-28 1987-04-21 Carson Douglas T Engine
US5062394A (en) * 1987-07-08 1991-11-05 Belford James R Mechanism for converting reciprocatory motion into rotary motion in an engine
US5094202A (en) * 1987-07-08 1992-03-10 Belford James R Mechanism for converting reciprocating motion into rotary motion
US5406859A (en) * 1987-07-08 1995-04-18 Belford; James R. Device for transferring power between linear and rotary motion
US4864976A (en) * 1988-05-27 1989-09-12 Avelino Falero Internal combustion engine and piston structure therefore
US5528946A (en) * 1994-05-06 1996-06-25 Yadegar; Iraj Apparatus for conversion of reciprocating motion to rotary motion and vise versa
WO1995030846A1 (en) * 1994-05-06 1995-11-16 Iraj Yadegar An apparatus for conversion of reciprocating motion to rotary motion and vice versa
DE19538798A1 (en) * 1995-10-18 1997-04-24 Schwab Christian Dipl Designer Rack gearing to convert reciprocating motion into rotary motion
US20040261750A1 (en) * 2003-06-20 2004-12-30 3Rd Millennium Solutions, Ltd. Internal combustion engine having dual piston cylinders and linear drive arrangement
US7201133B2 (en) * 2003-06-20 2007-04-10 3Rd Millennium Solutions, Ltd. Internal combustion engine having dual piston cylinders and linear drive arrangement
US20050011487A1 (en) * 2003-07-18 2005-01-20 Warren Arthur Earl One cycle/dual piston engine
DE102007005228B4 (en) 2006-08-25 2020-07-02 Grini Miskarov Motor with a piston with a rectangular cross section
US20080060602A1 (en) * 2006-09-07 2008-03-13 Heimbecker John A Self-lubricating piston
US20080060628A1 (en) * 2006-09-07 2008-03-13 Heimbecker John A Self-lubricating piston
US20080092846A1 (en) * 2006-09-07 2008-04-24 Heimbecker John A Stroke control assembly
US7475666B2 (en) 2006-09-07 2009-01-13 Heimbecker John A Stroke control assembly
US8127544B2 (en) * 2010-11-03 2012-03-06 Paul Albert Schwiesow Two-stroke HCCI compound free-piston/gas-turbine engine
US9964030B1 (en) * 2016-09-09 2018-05-08 Nolton C. Johnson, Jr. Tethered piston engine

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