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GB1175204A - Improvements in or relating to Pistons. - Google Patents

Improvements in or relating to Pistons.

Info

Publication number
GB1175204A
GB1175204A GB1647266A GB1647266A GB1175204A GB 1175204 A GB1175204 A GB 1175204A GB 1647266 A GB1647266 A GB 1647266A GB 1647266 A GB1647266 A GB 1647266A GB 1175204 A GB1175204 A GB 1175204A
Authority
GB
United Kingdom
Prior art keywords
bosses
skirt
portions
secured
pistons
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
GB1647266A
Inventor
Peter Lawrence Willmer
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.)
Federal Mogul Bradford Ltd
Original Assignee
Hepworth and Grandage Ltd
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 Hepworth and Grandage Ltd filed Critical Hepworth and Grandage Ltd
Priority to GB1647266A priority Critical patent/GB1175204A/en
Priority to DE19671600483 priority patent/DE1600483A1/en
Publication of GB1175204A publication Critical patent/GB1175204A/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 
    • F02F3/02—Pistons  having means for accommodating or controlling heat expansion
    • F02F3/04—Pistons  having means for accommodating or controlling heat expansion having expansion-controlling inserts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448—Steel

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

1,175,204. Pistons. HEPWORTH & GRANDAGE Ltd. 21 March, 1967 [14 April, 1966], No. 16472/66. Heading F2T. A piston comprises a light metal head 1 including a crown 2 and integral gudgeon pin bosses 4 and a resilient skirt 6 formed by circumferentially spaced sheet metal portions 7 preferably of metal having a coefficient of thermal expansion lower than that of the light metal lead, e.g. iron or steel. The skirt 6 is secured to the head 1 solely in the region of the bosses 4 and comprises two arcuate portions 7 constituting thrust faces and interconnected by transverse portions 8 provided with openings 8a. In the embodiment shown in Figs. 1 and 2, the portions 8 are cast into the bosses 4 and may have perforated extensions 10 and flanges 11. In a modification, Figs. 3 and 4, not shown, the skirt is secured to the bosses (4) by pins (13) extending through passages (14) in the bosses and apertures (15) in the transverse portions (8) of the skirt.
GB1647266A 1966-04-14 1966-04-14 Improvements in or relating to Pistons. Expired GB1175204A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1647266A GB1175204A (en) 1966-04-14 1966-04-14 Improvements in or relating to Pistons.
DE19671600483 DE1600483A1 (en) 1966-04-14 1967-04-11 Pistons for an internal combustion engine or a piston compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1647266A GB1175204A (en) 1966-04-14 1966-04-14 Improvements in or relating to Pistons.

Publications (1)

Publication Number Publication Date
GB1175204A true GB1175204A (en) 1969-12-23

Family

ID=10077955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1647266A Expired GB1175204A (en) 1966-04-14 1966-04-14 Improvements in or relating to Pistons.

Country Status (2)

Country Link
DE (1) DE1600483A1 (en)
GB (1) GB1175204A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR7806090A (en) * 1978-09-15 1980-03-25 Metal Leve Sa Ind Com PISTON WITH INDEPENDENT SKIRT
GB8309832D0 (en) * 1983-04-12 1983-05-18 Ae Plc Pistons and castings
DE102023134180A1 (en) * 2023-12-06 2025-06-12 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Reduced heat transfer between piston and piston pin

Also Published As

Publication number Publication date
DE1600483A1 (en) 1970-04-02

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Legal Events

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