JPS6421220A - Structure of bearing beam for engine - Google Patents

Structure of bearing beam for engine

Info

Publication number
JPS6421220A
JPS6421220A JP17691387A JP17691387A JPS6421220A JP S6421220 A JPS6421220 A JP S6421220A JP 17691387 A JP17691387 A JP 17691387A JP 17691387 A JP17691387 A JP 17691387A JP S6421220 A JPS6421220 A JP S6421220A
Authority
JP
Japan
Prior art keywords
crank
bearing cap
parts
extending
tip ends
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.)
Granted
Application number
JP17691387A
Other languages
Japanese (ja)
Other versions
JPH0619177B2 (en
Inventor
Kazuaki Nishimura
Hiroichi Takubo
Toshinobu Ito
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.)
Mazda Motor Corp
Original Assignee
Mazda Motor Corp
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 Mazda Motor Corp filed Critical Mazda Motor Corp
Priority to JP17691387A priority Critical patent/JPH0619177B2/en
Priority to US07/218,181 priority patent/US4911117A/en
Priority to DE3823920A priority patent/DE3823920C3/en
Publication of JPS6421220A publication Critical patent/JPS6421220A/en
Publication of JPH0619177B2 publication Critical patent/JPH0619177B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02F7/00—Casings, e.g. crankcases
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/008—Sound insulation
    • 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
    • F02F7/00—Casings, e.g. crankcases
    • F02F7/0043—Arrangements of mechanical drive elements
    • F02F7/0053—Crankshaft bearings fitted in the crankcase
    • F02F2007/0056—Crankshaft bearings fitted in the crankcase using bearing beams, i.e. bearings interconnected by a beam or multiple beams

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

PURPOSE:To prevent mutual interference between a beam member and a crank locus in a condition that the total height of a bearing cap is suppressed by providing a dome member on the tip end of a part extending in a lower direction from both sides of the cap. CONSTITUTION:Both ends 6a of a bearing cap positioned outside rather than right and left gap bolt seats 15 are extended downwardly, and made to be extending parts 7. The tip ends 7a of these parts 7 are arranged outside rather than the locus of a crank. In six bearings 6 arranged with specified spaces in the direction of a crank shaft, the tip ends 7 are interconnected monolithically by means of a pair of beam members 8 extending in the crank shaft direction, and are made to be bearing cap assembly 20 shaped like a ladder. Further, a pair of skirt parts 23 are mutually connected by means of a spacer 10 between the tip ends and reinforcing members 9 arranged on the outside thereof, so vibration can be restrained.
JP17691387A 1987-07-14 1987-07-14 Engine bearing beam structure Expired - Lifetime JPH0619177B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP17691387A JPH0619177B2 (en) 1987-07-14 1987-07-14 Engine bearing beam structure
US07/218,181 US4911117A (en) 1987-07-14 1988-07-13 Arrangements for supporting crankshafts in multicylinder engines
DE3823920A DE3823920C3 (en) 1987-07-14 1988-07-14 Arrangement for supporting a crankshaft in a multi-cylinder engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17691387A JPH0619177B2 (en) 1987-07-14 1987-07-14 Engine bearing beam structure

Publications (2)

Publication Number Publication Date
JPS6421220A true JPS6421220A (en) 1989-01-24
JPH0619177B2 JPH0619177B2 (en) 1994-03-16

Family

ID=16021949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17691387A Expired - Lifetime JPH0619177B2 (en) 1987-07-14 1987-07-14 Engine bearing beam structure

Country Status (1)

Country Link
JP (1) JPH0619177B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018053736A (en) * 2016-09-26 2018-04-05 マツダ株式会社 End plate peripheral structure of engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018053736A (en) * 2016-09-26 2018-04-05 マツダ株式会社 End plate peripheral structure of engine

Also Published As

Publication number Publication date
JPH0619177B2 (en) 1994-03-16

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