US674347A - Oscillating engine. - Google Patents

Oscillating engine. Download PDF

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Publication number
US674347A
US674347A US1991700A US1900019917A US674347A US 674347 A US674347 A US 674347A US 1991700 A US1991700 A US 1991700A US 1900019917 A US1900019917 A US 1900019917A US 674347 A US674347 A US 674347A
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Prior art keywords
cylinder
valves
racks
trunnion
engine
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Expired - Lifetime
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US1991700A
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Frank Whitman
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FRANK A WORDEN
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FRANK A WORDEN
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Priority to US1991700A priority Critical patent/US674347A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0015Disposition of motor in, or adjacent to, traction wheel the motor being hydraulic

Definitions

  • FRANK WHITMAN OF YPSILANTI, MICHIGAN, LASSIGrNOR OF ONE-HALF TO FRANK A. WORDEN, OF SAME PLACE.
  • w, Fig. l; and Figs. land 5 are perspectiveviews of some of the parts detached.
  • A is the cylinder of the engine, which is provided centrally on opposite sides thereof with trunnions B, journaled in the standards C, preferably in roller-bearings D therein. Through these opposite trunnions are formed, respectively, the steam and exhaust passages E and F, which connect with passages G and H, extending through the walls of the cylinder to opposite ends thereof.
  • I and J are the ,cylinder-heads, each of which is provided with a transversely-arranged cylindrical casing .K, containing a rocker-valve L.V
  • the passages Gr and H are connected with the casings K by channels M and ⁇ M', formed in the cylinder-heads, connecting with ports N and N in the casings.
  • the valves L are adapted to cover the ports O and N', and each is provided with a central channel P, adapted in one position of the valve to connect said ports O and N.
  • segmental racks R and R' are secured around one of the trunnion-bearings D. These are preferably secured in position free to have ⁇ a limited rotary movement on 4the bearing by a ring S, which embraces the laterally-extending segmental .flanges a on each of the racks.
  • the racks are of such a ⁇ length as to leave a space between their ends which will permit of 5 5 their being rocked through a limited angle.
  • T and T are links pivotally connected to the racks R R', respectively, and connected at their opposite ,ends to a head or operatinghandle U, lwhich is adjustably secured upon 6o a stem V by means of a set-screw V.
  • W represents gear-segments secured to the valvestems Q and meshing with the segmental racks R and R.
  • X is the piston in the cylinder, having a pis- 5 Aton-rod X', which is directly connected to the crank, (not shown,) as usual in oscillating engines.
  • Inoperation steam is admitted through a suitable inlet-pipe hav-ing a swivel connec- 7o vtionwwith the trunnion B into the passage E,
  • valves L which are so set 7 5y that when the. racks R R are in the position shownin full lines, Fig.v8, theengine will be driven in one direction, steam being admitted through the yports O when ,uncovered by the valve andexhausted through said ports, the 8o' channels P, port N', channel M', and passages Hand F.
  • Fig. 3 which may be accomplished by unfasten-ing the set-screw V' and moving down the head 85 U on the stem V, the valves L will be rocked into a'position to drive the engine inthe opposite direction.
  • a point of advantage in my construction is that the clearancesare reduced to a mini- 9o mum, the valves L being located'directly on the cylinder-heads, having only the small ports O between them and the cylinder-space.
  • the Combination With the cylinder having a trunnion, a stationarg7 bearing in which said trunnion is journaled and rook eut-olf valves at opposite ends of said cylinder, having gear-segments on their stems, of the segmental racks R and R having the laterally-extending anges d, the ring S for securing said racks on the trunnion-hearing in mesh with said gear-segments, the links T and T secured to said racks and the adjustable head U to which said links areeonnected substantially as and for the purpose described.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Transmission Devices (AREA)

Description

No. 674,347. Patented May I4, 190|.
F. WHITMAN.
OSCILLATING ENGINE.
(Application med .rune 11, 1900.)
(No Model.)
un pl lamrlll" will e 5 6 fizvenog" L 756? UNITED l STATES PATENT OFFICE.
FRANK WHITMAN, OF YPSILANTI, MICHIGAN, LASSIGrNOR OF ONE-HALF TO FRANK A. WORDEN, OF SAME PLACE.
osclLLM-l Ncy ENGINE.
SPECIFICATION forming part of Letters Patent No. 674,347,l dated May 14, 1901;
Application filed June 11, 190. SerialNo. 19,917. lNo model.) l
To all whom t may cov/cern:
Beit known that I, FRANK WHITMAN,a citiin the peculiar construction, arrangement,
w, Fig. l; and Figs. land 5 are perspectiveviews of some of the parts detached.
A is the cylinder of the engine, which is provided centrally on opposite sides thereof with trunnions B, journaled in the standards C, preferably in roller-bearings D therein. Through these opposite trunnions are formed, respectively, the steam and exhaust passages E and F, which connect with passages G and H, extending through the walls of the cylinder to opposite ends thereof.
I and J are the ,cylinder-heads, each of which is provided with a transversely-arranged cylindrical casing .K, containing a rocker-valve L.V The passages Gr and H are connected with the casings K by channels M and` M', formed in the cylinder-heads, connecting with ports N and N in the casings.
-O represents ports leading from the casings into the cylinder.
The valves L are adapted to cover the ports O and N', and each is provided with a central channel P, adapted in one position of the valve to connect said ports O and N.
Q represents stems for rocking the valves, which pass out of the casings K through suitable packing-glands.
Around one of the trunnion-bearings D are secured the segmental racks R and R'. These are preferably secured in position free to have `a limited rotary movement on 4the bearing by a ring S, which embraces the laterally-extending segmental .flanges a on each of the racks.
The racks are of such a` length as to leave a space between their ends which will permit of 5 5 their being rocked through a limited angle.
T and T are links pivotally connected to the racks R R', respectively, and connected at their opposite ,ends to a head or operatinghandle U, lwhich is adjustably secured upon 6o a stem V by means of a set-screw V.
W represents gear-segments secured to the valvestems Q and meshing with the segmental racks R and R.
, X is the piston in the cylinder, having a pis- 5 Aton-rod X', which is directly connected to the crank, (not shown,) as usual in oscillating engines.
Inoperation steam is admitted through a suitable inlet-pipe hav-ing a swivel connec- 7o vtionwwith the trunnion B into the passage E,
from which it passes through the passage G," channels M, and ports N into the casings K yat opposite ends of the cylinder. Here it is controlled by the valves L, which are so set 7 5y that when the. racks R R are in the position shownin full lines, Fig.v8, theengine will be driven in one direction, steam being admitted through the yports O when ,uncovered by the valve andexhausted through said ports, the 8o' channels P, port N', channel M', and passages Hand F. When the racks are moved into the position shown in dotted` lines, Fig. 3, which may be accomplished by unfasten-ing the set-screw V' and moving down the head 85 U on the stem V, the valves L will be rocked into a'position to drive the engine inthe opposite direction.
A point of advantage in my construction is that the clearancesare reduced to a mini- 9o mum, the valves L being located'directly on the cylinder-heads, having only the small ports O between them and the cylinder-space.
A further advantage is obtained from the peculiar construction of reversing mechanism which, while simple in construction, is easily operated and not liable to get out of order. What I claim as my invention is'- 1. In an oscillating engine, rock cut-o valves located on the opposite heads of the roo cylinder, gear-segments on the stems of said valves and a stationary segmental rack with which said gear-segments mesh.
2. In an oscillating engine, the combination with the cylinder having a trunnion and a stationary hearing in Which said trunnion is journaled, of rock out-off valves at the opposite ends of said cylinder, gear-segments on the stem of said valves, segmental racks with which said gear-segments mesh journaled on said trunnion-bearings,and means for moving said racksegments oppositely to reverse the Valves.
3. In an oscillating engine, the Combination With the cylinder having a trunnion, a stationarg7 bearing in which said trunnion is journaled and rook eut-olf valves at opposite ends of said cylinder, having gear-segments on their stems, of the segmental racks R and R having the laterally-extending anges d, the ring S for securing said racks on the trunnion-hearing in mesh with said gear-segments, the links T and T secured to said racks and the adjustable head U to which said links areeonnected substantially as and for the purpose described.
In testimony whereof I affix my signature in presence of two Witnesses.
FRANK WHITMAN. Witnesses:
J. WILLARD BABBITT, JOHN P. KIRK.
US1991700A 1900-06-11 1900-06-11 Oscillating engine. Expired - Lifetime US674347A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477359A (en) * 1945-01-24 1949-07-26 Lilburn S Barksdale Expansible chamber motor with oscillating cylinder and piston actuated distributing valve
US2551453A (en) * 1945-05-31 1951-05-01 Int Harvester Co Fluid-actuated ram couple
US2670717A (en) * 1948-08-27 1954-03-02 Euclid Road Machinery Co Swivel connection for hydraulic hoists

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477359A (en) * 1945-01-24 1949-07-26 Lilburn S Barksdale Expansible chamber motor with oscillating cylinder and piston actuated distributing valve
US2551453A (en) * 1945-05-31 1951-05-01 Int Harvester Co Fluid-actuated ram couple
US2670717A (en) * 1948-08-27 1954-03-02 Euclid Road Machinery Co Swivel connection for hydraulic hoists

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