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GB1229078A - - Google Patents

Info

Publication number
GB1229078A
GB1229078A GB1229078DA GB1229078A GB 1229078 A GB1229078 A GB 1229078A GB 1229078D A GB1229078D A GB 1229078DA GB 1229078 A GB1229078 A GB 1229078A
Authority
GB
United Kingdom
Prior art keywords
crank
pin
dec
recess
flat
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
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 filed Critical
Publication of GB1229078A publication Critical patent/GB1229078A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
    • F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/06—Crankshafts
    • F16C3/14—Features relating to lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
    • F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
    • F16C32/0651—Details of the bearing area per se
    • 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
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

1,229,078. Crank-shafts. SULZER BROS. Ltd. 15 Dec., 1969 [24 Dec., 1968], No. 61032/69. Heading F2U. A crank-shaft (e.g. for a four-stroke piston engine) has a crank-pin 2 formed with a recess 7 connected to a lubricating bore 6 in the crank-shaft and extending along at least half (preferably four-fifths) of the length of the crank-pin. The recess may comprise a flat on the pin having its axially extending edges rounded as at R and having a depth t not more than 2% of the crank-pin diameter. For rotation in the direction P the flat is located so that 60‹<A<80‹.
GB1229078D 1968-12-24 1969-12-15 Expired GB1229078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1925768A CH501849A (en) 1968-12-24 1968-12-24 Crankshaft of a four-stroke piston internal combustion engine

Publications (1)

Publication Number Publication Date
GB1229078A true GB1229078A (en) 1971-04-21

Family

ID=4438343

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1229078D Expired GB1229078A (en) 1968-12-24 1969-12-15

Country Status (4)

Country Link
CH (1) CH501849A (en)
DE (1) DE1817616B1 (en)
FR (1) FR2027014A1 (en)
GB (1) GB1229078A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2896553A1 (en) * 2006-01-26 2007-07-27 Vianney Rabhi Crankshaft for e.g. internal combustion engine, has hydrodynamic bearings that are lubricated by pressurized oil brought by orifices, and does not comprise balance weight, where each hydrodynamic bearing has smooth cylindrical surface
EP2463498A1 (en) * 2009-07-17 2012-06-13 Nissan Motor Co., Ltd. Crankshaft of internal combustion engine provided with multi link-type piston-crank mechanism and multi link-type piston-crank mechanism of internal combustion engine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739404C2 (en) * 1977-09-01 1986-07-03 Klöckner-Humboldt-Deutz AG, 5000 Köln Crankshaft of an internal combustion engine
DE2920076C2 (en) * 1979-05-18 1986-07-03 Klöckner-Humboldt-Deutz AG, 5000 Köln Arrangement for supplying oil to a connecting rod bearing
JPS6024345B2 (en) * 1981-10-29 1985-06-12 本田技研工業株式会社 Lubrication system for shift fork in transmission

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH8992A (en) * 1894-07-26 1895-02-28 Herbert Lindley Lubricating device on rotating journals with changing pressures
FR646162A (en) * 1927-03-02 1928-11-08 Pressure-lubricated bearing
GB654965A (en) * 1946-10-04 1951-07-04 British Thomson Houston Co Ltd Improvements in and relating to gas compressors
DE803862C (en) * 1949-01-18 1951-04-12 Walter Gerling Dipl Ing bearings
DE1765852U (en) * 1958-02-27 1958-04-30 Heinkel Ag Ernst CRANKSHAFT PIN ON MOTOR COMPRESSORS.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2896553A1 (en) * 2006-01-26 2007-07-27 Vianney Rabhi Crankshaft for e.g. internal combustion engine, has hydrodynamic bearings that are lubricated by pressurized oil brought by orifices, and does not comprise balance weight, where each hydrodynamic bearing has smooth cylindrical surface
WO2007085738A1 (en) * 2006-01-26 2007-08-02 Vianney Rabhi Crankshaft for a variable compression ratio engine
EP2463498A1 (en) * 2009-07-17 2012-06-13 Nissan Motor Co., Ltd. Crankshaft of internal combustion engine provided with multi link-type piston-crank mechanism and multi link-type piston-crank mechanism of internal combustion engine
EP2463498A4 (en) * 2009-07-17 2013-05-29 Nissan Motor Crankshaft of internal combustion engine provided with multi link-type piston-crank mechanism and multi link-type piston-crank mechanism of internal combustion engine

Also Published As

Publication number Publication date
FR2027014A1 (en) 1970-09-25
DE1817616B1 (en) 1970-07-23
CH501849A (en) 1971-01-15

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees