US1053799A - Reciprocating engine. - Google Patents

Reciprocating engine. Download PDF

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Publication number
US1053799A
US1053799A US66572311A US1053799DA US1053799A US 1053799 A US1053799 A US 1053799A US 66572311 A US66572311 A US 66572311A US 1053799D A US1053799D A US 1053799DA US 1053799 A US1053799 A US 1053799A
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Prior art keywords
piston
cylinder
power
slots
engine
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US66572311A
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Frederick M Eslick
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L21/00Use of working pistons or pistons-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines
    • F01L21/02Piston or piston-rod used as valve members
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02Placing by driving
    • E02D7/06Power-driven drivers
    • E02D7/10Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
    • 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
    • Y10T74/21Elements
    • Y10T74/2101Cams

Definitions

  • Tnnllwlwm ii- may concern: jBeit known that I, Fn'nonarcn M. Esmo r, captain, U.- S- MarinefCorps, a citizen of the; United; States, at presentt-statioi-ied at the navy-yard, Washington, District-pf C0- lumbia, have-invented certain new and use- .fill-f Improvements in Reciprocating En,- ginesg-and Idinhereby' declare the follow in'g to be'a tull, clear, and-exact description ozfitthainvention, such .as will enable others skilled ill-the, art'towhioh it .a-ppertains to mhk6ffiIId1IS8thS3JD9h-.
  • An object of my invention is to provide. an improved reciprocating engine adapted for operation at high speeds with a minimizatioi'i of'b'ack pressure and leakage losses.
  • a further object of my invention isto provide an improved reciprocating engine in which all reciprocating parts and valve mechanism are inclosed by a single rotating ele ee a he v met lin a @0111 a d powerful construction in which t e moving parts are advantageously protected from injury and the entrance of dust.
  • FIG. 1 is a vertical, axial section, illustrating one embodiment of my invention
  • Figs. 2 and 3 are detail sections on the lines 5-5 and 6-6 of Fig. 1
  • Fig. 4 is an axial section of the stationary casing for rotatably supporting the power cylinder
  • Fig. 5 is a detail section, illustrating a modification
  • Fig. 6 is a section on the line 99 of Fig. 8.
  • 1 indicates a stationary cylindrical casing provided with an internal, endless, spiral groove 2, and rotatably supporting a power cylinder 3 provided with a medial series of axially-extending slots 4 which extend past the ends of said casing 1; said cylinder being confined against axial shifting by end bearings 5.
  • the slots 4 constitute exhaust openings for permitting free initial exhaust of the actuating fluid from the power cylinder, upon overriding of said slots by the power piston on approach of the latter-to the end of its power stroke.
  • a double-acting piston 6 is shown reciprocatingly mounted in the power cylinder and adapted to travel past the ends of said medial slots 4, for untovering the latter at the end of each piston stroke.
  • Projections T extend from said pie ton through the cylinder slots 4 into .slid ing engagement with the spiral groove 2 of the stationary casing, for causing axial rotation of said cylinder and, piston upon reciprocation of the latter; said projections being preferably provided with friction sleeves or rollers 8.
  • the end less, spiral slot 2 in the stationary casing 1 is so formed that the power piston and cylinder are caused to rotate through 90 during each piston stroke; such rotation of the power cylinder advancing the admis sion and exhaust ports 90, and thereby shifting said ports to position for admitting steam to the right-hand end of the power cylinder 3 and opening the exhaust at the left-hand end of said cylinder.
  • the power piston 6 overrides the medial cylinder slots 4 at the inner end of its stroke and permits free exhaust of steam through said slots; thereby eliminating all danger of losses through back pressure even when the steam, or other actuating fluid, is admitted throughout the entire power stroke.
  • the medial cylinder slots 4 may communicate with the outside air, or with a condenser for receiving the steam, and power can be taken directly from the rotating power cylinder 3 in any suitable manner, as by securing a pulley thereon.
  • Figs. 5 and 6 illustrate my invention adapted to a four-cycle'internal combustion engine.
  • the cylinder to that previously described in reference to F1g. .1. .
  • the bearings 18 are provided with.
  • the groove 25 is formed in an obvious way for maintaining the 'valve 21 firmly seated during the compression and power strokes of the'piston, and to maintain said valve 21 open during the exhaust and suction strokes of said piston.
  • I claim 1 In an engine, the combination of a cylindrical casing provided with internal spiral grooves, a power piston, a power cylinder having its medial portion journaled in said casing and provided with slots of greater axial extent than the stroke of said piston, and means carried by said piston in engagement with the walls of such slots and grooves.

Description

r. M. ESLIQK. BEOIPB'OOATING ENGINE.
APPLICATION FILED 13110.14, 19'11.
Patented Feb. 18, 1913.
2 SHEETS-SHEET 1.
coLunllA moo-Ar" Cm. wunmu'row. u c.
P. M. ESLIOK.
-REOIPBO0ATING ENGINE.
APPLIOATIOH nun 9110.14.1911.
Patented Feb. 18, 1913.
a ensue-sum a Qttomwu absence.
Tsaiana: union.
FREDERICK OF THE UNITED STATES NAVY.
nnorenocarme ENGINE.
Specification of Letters Batent.
Patented Feb. 18, was;
Application .filed December 1911.. Serial No. 665,723.
Tnnllwlwm ii-may concern: jBeit known that I, Fn'nonarcn M. Esmo r, captain, U.- S- MarinefCorps, a citizen of the; United; States, at presentt-statioi-ied at the navy-yard, Washington, District-pf C0- lumbia, have-invented certain new and use- .fill-f Improvements in Reciprocating En,- ginesg-and Idinhereby' declare the follow in'g to be'a tull, clear, and-exact description ozfitthainvention, such .as will enable others skilled ill-the, art'towhioh it .a-ppertains to mhk6ffiIId1IS8thS3JD9h-.
invention relatesto improvements in reciprocating engines, and .it-consists inthe constructions. combinations and arrange ments herein described and claimed.
- An object of my invention is to provide. an improved reciprocating engine adapted for operation at high speeds with a minimizatioi'i of'b'ack pressure and leakage losses.
A further object of my invention isto provide an improved reciprocating engine in which all reciprocating parts and valve mechanism are inclosed by a single rotating ele ee a he v met lin a @0111 a d powerful construction in which t e moving parts are advantageously protected from injury and the entrance of dust.
In the accompanying drawings, forming a part of this application'and in which similar reference symbols indicate corresponding parts in the several views:-Figure 1 is a vertical, axial section, illustrating one embodiment of my invention; Figs. 2 and 3 are detail sections on the lines 5-5 and 6-6 of Fig. 1; Fig. 4 is an axial section of the stationary casing for rotatably supporting the power cylinder; Fig. 5 is a detail section, illustrating a modification; and, Fig. 6 is a section on the line 99 of Fig. 8.
Referring to the drawings, 1 indicates a stationary cylindrical casing provided with an internal, endless, spiral groove 2, and rotatably supporting a power cylinder 3 provided with a medial series of axially-extending slots 4 which extend past the ends of said casing 1; said cylinder being confined against axial shifting by end bearings 5.. The slots 4 constitute exhaust openings for permitting free initial exhaust of the actuating fluid from the power cylinder, upon overriding of said slots by the power piston on approach of the latter-to the end of its power stroke. A double-acting piston 6 is shown reciprocatingly mounted in the power cylinder and adapted to travel past the ends of said medial slots 4, for untovering the latter at the end of each piston stroke. Projections T extend from said pie ton through the cylinder slots 4 into .slid ing engagement with the spiral groove 2 of the stationary casing, for causing axial rotation of said cylinder and, piston upon reciprocation of the latter; said projections being preferably provided with friction sleeves or rollers 8. Coaxial hollow bosses 9011 the cylinder heads 10 communicate with the cylinder 3 and are jo-urnaled in the star tionary bearings 5; said bosses being pro vided with admission ports 11 for coiiperat: ing with a supply pipe 13,. and with exhaust ports 14 for cooperating with a discharge n p fi- Figs; l i-illustrate my invention applied to ,-a double aoting steam engine; the power pistonii being shown just beginning its righthandfstrcke, see Fig. 1 In this position ot'the. parts, the admission port 11 of thelefthand boss 9 is just opening tothe steam pipe 13 for admitting steam during the right hand stroke of the piston 6, and the exhaust port 14 of said boss has just closed the exhaust pipe 15, the exhaust port 14 of the right-hand boss being open to the exhaust pipe and the admission port of said boss cut of! from the steam pipe. The end less, spiral slot 2 in the stationary casing 1 is so formed that the power piston and cylinder are caused to rotate through 90 during each piston stroke; such rotation of the power cylinder advancing the admis sion and exhaust ports 90, and thereby shifting said ports to position for admitting steam to the right-hand end of the power cylinder 3 and opening the exhaust at the left-hand end of said cylinder. The power piston 6 overrides the medial cylinder slots 4 at the inner end of its stroke and permits free exhaust of steam through said slots; thereby eliminating all danger of losses through back pressure even when the steam, or other actuating fluid, is admitted throughout the entire power stroke. The medial cylinder slots 4 may communicate with the outside air, or with a condenser for receiving the steam, and power can be taken directly from the rotating power cylinder 3 in any suitable manner, as by securing a pulley thereon.
Figs. 5 and 6 illustrate my invention adapted to a four-cycle'internal combustion engine. In this construction, the cylinder to that previously described in reference to F1g. .1. .The bearings 18 are provided with.
chambers communicating with'th'e hollow bosses 17,, and provided with induction and ednction check-valves -19 and-20. A main valve. 21 for controlling the'opening' through each hollowboss 1'7 is'carried by a spindle 22=slidably=mountedin aspiderr23 in said bos's;i,the 'onter' endof said: spindle being provided with ata pct 24 for engaging an endless groove 25.111 the bearing 18. The groove 25 is formed in an obvious way for maintaining the 'valve 21 firmly seated during the compression and power strokes of the'piston, and to maintain said valve 21 open during the exhaust and suction strokes of said piston.
\Vhile I have illustrated means for adapting my invention for use with steam or an explosive mixture, it will be clear that it is equally adaptable for use with other gaseous or liquid actuated mediums.
I claim 1. In an engine, the combination of a cylindrical casing provided with internal spiral grooves, a power piston, a power cylinder having its medial portion journaled in said casing and provided with slots of greater axial extent than the stroke of said piston, and means carried by said piston in engagement with the walls of such slots and grooves.
2. In an engine, the combination of :1 cylindrical casing provided with internal spiral grooves, a power piston, a power cylinder having its medial portion journaled in said casing and provided with slots of greater axial extent than the stroke of said piston, means carried by said piston in engagement with the walls of such slots and grooves for rotating said cylinder and piston, and means operated by such rotation for controlling the supply of actuating fluid to said cylinder.
3. In an engine, the combination of a eylindrical casing provided internally with an endless groove, a power piston, a doubleact-ing power cylinder having its medial portion journaled in said casing and provided with slots of greater axial extent than the strqke of said plston and adapted to be uncovered by said )iston at each end of the latters stroke, and means carried by said piston in engagement with the walls of such slots and grooves.
In testimony whereof, I aiiix my signature, in presence of two witnesses.
FREDERICK M. ESLICK.
\Vitnesses:
N. CURTIS Laamoxn, G. AYnas.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143932A (en) * 1961-10-16 1964-08-11 Carter Controls Inc Rotary actuator
US3828655A (en) * 1972-10-06 1974-08-13 B Williams Coaxial engine
US5351657A (en) * 1992-09-28 1994-10-04 Buck Erik S Modular power unit
US20020059907A1 (en) * 1999-03-23 2002-05-23 Thomas Charles Russell Homogenous charge compression ignition and barrel engines
US20030079715A1 (en) * 1999-03-23 2003-05-01 Hauser Bret R. Integral air compressor for boost air in barrel engine
US20040035385A1 (en) * 1999-03-23 2004-02-26 Thomas Charles Russell Single-ended barrel engine with double-ended, double roller pistons
US20040094103A1 (en) * 2002-04-30 2004-05-20 Hauser Bret R. Radial valve gear apparatus for barrel engine
US7033525B2 (en) 2001-02-16 2006-04-25 E.I. Dupont De Nemours And Company High conductivity polyaniline compositions and uses therefor
US7469662B2 (en) 1999-03-23 2008-12-30 Thomas Engine Company, Llc Homogeneous charge compression ignition engine with combustion phasing
US8046299B2 (en) 2003-10-15 2011-10-25 American Express Travel Related Services Company, Inc. Systems, methods, and devices for selling transaction accounts
US10773388B2 (en) 2006-06-29 2020-09-15 Intuitive Surgical Operations, Inc. Tool position and identification indicator displayed in a boundary area of a computer display screen

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143932A (en) * 1961-10-16 1964-08-11 Carter Controls Inc Rotary actuator
US3828655A (en) * 1972-10-06 1974-08-13 B Williams Coaxial engine
US5351657A (en) * 1992-09-28 1994-10-04 Buck Erik S Modular power unit
US6986342B2 (en) 1999-03-23 2006-01-17 Thomas Engine Copany Homogenous charge compression ignition and barrel engines
US20020059907A1 (en) * 1999-03-23 2002-05-23 Thomas Charles Russell Homogenous charge compression ignition and barrel engines
US20030079715A1 (en) * 1999-03-23 2003-05-01 Hauser Bret R. Integral air compressor for boost air in barrel engine
US6662775B2 (en) 1999-03-23 2003-12-16 Thomas Engine Company, Llc Integral air compressor for boost air in barrel engine
US20040035385A1 (en) * 1999-03-23 2004-02-26 Thomas Charles Russell Single-ended barrel engine with double-ended, double roller pistons
US6698394B2 (en) 1999-03-23 2004-03-02 Thomas Engine Company Homogenous charge compression ignition and barrel engines
US7469662B2 (en) 1999-03-23 2008-12-30 Thomas Engine Company, Llc Homogeneous charge compression ignition engine with combustion phasing
US20040163619A1 (en) * 1999-03-23 2004-08-26 Thomas Engine Company Homogenous charge compression ignition and barrel engines
US7033525B2 (en) 2001-02-16 2006-04-25 E.I. Dupont De Nemours And Company High conductivity polyaniline compositions and uses therefor
US6899065B2 (en) 2002-04-30 2005-05-31 Thomas Engine Company Radial-valve gear apparatus for barrel engine
US20040094103A1 (en) * 2002-04-30 2004-05-20 Hauser Bret R. Radial valve gear apparatus for barrel engine
US8046299B2 (en) 2003-10-15 2011-10-25 American Express Travel Related Services Company, Inc. Systems, methods, and devices for selling transaction accounts
US10773388B2 (en) 2006-06-29 2020-09-15 Intuitive Surgical Operations, Inc. Tool position and identification indicator displayed in a boundary area of a computer display screen

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