GB1084703A - Improvements relating to machines incorporating a piston and cylinder - Google Patents

Improvements relating to machines incorporating a piston and cylinder

Info

Publication number
GB1084703A
GB1084703A GB19245/65A GB1924565A GB1084703A GB 1084703 A GB1084703 A GB 1084703A GB 19245/65 A GB19245/65 A GB 19245/65A GB 1924565 A GB1924565 A GB 1924565A GB 1084703 A GB1084703 A GB 1084703A
Authority
GB
United Kingdom
Prior art keywords
piston
port
connecting rod
stroke
crank
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
Application number
GB19245/65A
Inventor
Christopher Linley Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB19245/65A priority Critical patent/GB1084703A/en
Publication of GB1084703A publication Critical patent/GB1084703A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/24—Pistons  having means for guiding gases in cylinders, e.g. for guiding scavenging charge in two-stroke engines
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

1,084,703. Rotating piston engines; ports. ROLLS ROYCE Ltd. May 6, 1965, No. 19245/65. Heading F1B. [Also in Division F2] In a two-stroke I. C. engine, a pin 31, secured to the connecting rod 12, is slidably received in a hole 30 formed in a rod 28 which in turn slides in a boss 27 formed in the piston skirt. Angular movement of the connecting rod thus results in oscillation of the piston about the cylinder axis. The crank-case-compressed air inlet port 51 and exhaust port 50 are diametrically opposed at the same axial location and so disposed relative to the oblique piston crown that port 50 opens before port 51 on the power stroke and closes before port 51 on the return stroke. A slot 26 in the piston skirt co-operates with an air inlet port 52 for the crank-case. The part-spherical end 23 of the connecting rod is provided with flats 24, 25 so that it may be inserted into a spherical seating in the piston and secured therein by rotating through 90‹. The piston ring slots may be oblique with respect to the cylinder axis, substantially elliptic rings then being provided. A deflector may be provided to direct air passing through port 52 on to the underside of the piston crown.
GB19245/65A 1965-05-06 1965-05-06 Improvements relating to machines incorporating a piston and cylinder Expired GB1084703A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB19245/65A GB1084703A (en) 1965-05-06 1965-05-06 Improvements relating to machines incorporating a piston and cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19245/65A GB1084703A (en) 1965-05-06 1965-05-06 Improvements relating to machines incorporating a piston and cylinder

Publications (1)

Publication Number Publication Date
GB1084703A true GB1084703A (en) 1967-09-27

Family

ID=10126145

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19245/65A Expired GB1084703A (en) 1965-05-06 1965-05-06 Improvements relating to machines incorporating a piston and cylinder

Country Status (1)

Country Link
GB (1) GB1084703A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5322907U (en) * 1976-08-05 1978-02-25
GB2287753A (en) * 1994-03-22 1995-09-27 Joanne Spinks Two stroke engine with port control by piston rotation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5322907U (en) * 1976-08-05 1978-02-25
GB2287753A (en) * 1994-03-22 1995-09-27 Joanne Spinks Two stroke engine with port control by piston rotation
GB2287753B (en) * 1994-03-22 1997-12-10 Joanne Spinks Two stroke engine

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