GB678917A - Improved piston for liquid-operated piston engines - Google Patents

Improved piston for liquid-operated piston engines

Info

Publication number
GB678917A
GB678917A GB24505/48A GB2450548A GB678917A GB 678917 A GB678917 A GB 678917A GB 24505/48 A GB24505/48 A GB 24505/48A GB 2450548 A GB2450548 A GB 2450548A GB 678917 A GB678917 A GB 678917A
Authority
GB
United Kingdom
Prior art keywords
piston
chamber
face
pressure
head
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
GB24505/48A
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.)
Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
Original Assignee
Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
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 Schweizerische Lokomotiv und Maschinenfabrik AG (SLM) filed Critical Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
Publication of GB678917A publication Critical patent/GB678917A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B1/00—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
    • F01B1/06—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements with cylinders in star or fan arrangement
    • F01B1/0641—Details, component parts specially adapted for such machines
    • F01B1/0668—Supporting and guiding means for the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B1/00—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
    • F01B1/06—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements with cylinders in star or fan arrangement
    • F01B1/0641—Details, component parts specially adapted for such machines
    • F01B1/0644—Pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B13/00—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion
    • F01B13/04—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder
    • F01B13/06—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder in star arrangement
    • F01B13/061—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder in star arrangement the connection of the pistons with the actuated or actuating element being at the outer ends of the cylinders
    • F01B13/062—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder in star arrangement the connection of the pistons with the actuated or actuating element being at the outer ends of the cylinders cylinder block and actuating or actuated cam both rotating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

678,917. Pistons. SCHWEIZERISCHE LOKOMOTIVE UND MASCHINENFABRIK. Sept. 18, 1948 [Sept. 18, 1947], No. 24505/48. Class 122(i) [Also in Groups XXVIII and XXIX] In a piston 12 for a piston engine delivering pressure-liquid or operated thereby, in which the piston is supported at its end or head, remote from the cylinder space, against a face 11 which takes up the piston forces, the piston being adapted to slide transversely of its axis on the said face 11, a pressure chamber 16 is provided in the head and supplied with pressure liquid, through a bore 20 from the working space 19, and additional piston head supporting faces 24 are provided inside the confines of the chamber 16. An annular supporting face 23 is provided around the chamber 16 and a further face 14 separated from the face 23 by a groove 17 having a free drain to the outside. The Specification sets out the relation between the area of chamber 16, the area of the face 24, the area of the piston, centrifugal force on the piston and a working pressure less than the full load operating pressure, in order to maintain fluid friction. The chamber 16 may be provided in a spherical segment mounted on the piston head. The additional supporting faces may fill out the major portion of the chamber 16 and the resulting grooves may be fed from the working through individual bores.
GB24505/48A 1947-09-18 1948-09-18 Improved piston for liquid-operated piston engines Expired GB678917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH678917X 1947-09-18

Publications (1)

Publication Number Publication Date
GB678917A true GB678917A (en) 1952-09-10

Family

ID=4528326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24505/48A Expired GB678917A (en) 1947-09-18 1948-09-18 Improved piston for liquid-operated piston engines

Country Status (1)

Country Link
GB (1) GB678917A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078808A (en) * 1958-07-17 1963-02-26 Bendix Corp Hydraulic balancing system for rotary positive displacement fluid handling devices
WO2003060321A1 (en) * 2002-01-16 2003-07-24 Ecotec S.R.L. Rotary radial piston machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078808A (en) * 1958-07-17 1963-02-26 Bendix Corp Hydraulic balancing system for rotary positive displacement fluid handling devices
WO2003060321A1 (en) * 2002-01-16 2003-07-24 Ecotec S.R.L. Rotary radial piston machine
CN100351515C (en) * 2002-01-16 2007-11-28 工程咨询技术有限公司 Rotary radial piston machine
US7322271B2 (en) 2002-01-16 2008-01-29 Ecotec Srl Rotary radial piston machine
US7614337B2 (en) 2002-01-16 2009-11-10 Gabriele Pecorari Rotary radial piston machine

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