GB1043894A - Improvements in hydraulic pumps or motors - Google Patents

Improvements in hydraulic pumps or motors

Info

Publication number
GB1043894A
GB1043894A GB29071/63A GB2907163A GB1043894A GB 1043894 A GB1043894 A GB 1043894A GB 29071/63 A GB29071/63 A GB 29071/63A GB 2907163 A GB2907163 A GB 2907163A GB 1043894 A GB1043894 A GB 1043894A
Authority
GB
United Kingdom
Prior art keywords
cam surface
bearing
cylinder block
cage
shaft
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
GB29071/63A
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of GB1043894A publication Critical patent/GB1043894A/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
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0032—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • 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
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0032—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F01B3/0044—Component parts, details, e.g. valves, sealings, lubrication
    • F01B3/007—Swash plate
    • 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
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/10—Control of working-fluid admission or discharge peculiar thereto
    • F01B3/103—Control of working-fluid admission or discharge peculiar thereto for machines with rotary cylinder block
    • F01B3/105—Control of working-fluid admission or discharge peculiar thereto for machines with rotary cylinder block by moving the swash plate in a direction perpendicular to the axis of rotation of the cylinder barrel
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18024—Rotary to reciprocating and rotary
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18296—Cam and slide
    • Y10T74/18304—Axial cam
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18296—Cam and slide
    • Y10T74/18336—Wabbler type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)

Abstract

1,043,894. Reciprocating pumps and motors. INGERSOLL-RAND CO. July 23, 1963 [Aug. 3, 1962], No. 29071/63. Heading F1A. In an hydraulic pump or motor, a cage 46, Fig. 2, rotatable with a cylinder block 30, defines with a member 54, a bearing 59 and pistons 36, a number of cavities 60 in which balls 62 are arranged between the pistons and cam surfaces on the bearing and the member 54 to eliminate high friction losses. The cam surface 64 on the member 54 is eccentrically disposed with respect to the cylinder block 30, the eccentricity being adjustable by screws 66 along the axis of symmetry between arcuate inlet and outlet ports 26 in a stationary valve plate 28. For this purpose the member 54 is provided with pegs 56 which locate a diametral groove 58 coincident with the axis of symmetry and formed in a stationary part 14 positioned in the housing 12 by a peg 68 and keyway 70. The cage 46 is secured to the cylinder block 30 by a dowel pin (not shown). The shaft 38 may project through the cylinder block, valve plate 28 and a member 16 containing the inlet and outlet passages. Reversal of the direction of rotation can be effected by shifting the member 54 to the opposite side of the shaft axis. In an alternative embodiment, Fig. 9, the cage 46a is integral with the shaft 38a, and the balls 62a roll on an inner cam surface of the bearing 59a and an outer cam surface 64a on the member 54a. In other embodiments similar to that shown in Fig. 9, the bearing cam surface is frusto-conical and the member cam surface is cylindrical, or both cam surfaces are frustoconical, or are of convex or concave form such as segments of paraboloids, ellipsoids or hyperboloids.
GB29071/63A 1962-08-03 1963-07-23 Improvements in hydraulic pumps or motors Expired GB1043894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US214593A US3116698A (en) 1962-08-03 1962-08-03 Reciprocating means

Publications (1)

Publication Number Publication Date
GB1043894A true GB1043894A (en) 1966-09-28

Family

ID=22799683

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29071/63A Expired GB1043894A (en) 1962-08-03 1963-07-23 Improvements in hydraulic pumps or motors

Country Status (2)

Country Link
US (1) US3116698A (en)
GB (1) GB1043894A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195150A (en) * 1986-09-12 1988-03-30 Ckd Corp Axial air motor

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482525A (en) * 1968-03-04 1969-12-09 Fluid Controls Inc Rotary pump or motor
BE721410A (en) * 1968-09-26 1969-03-03
US3566746A (en) * 1969-04-29 1971-03-02 Nemo Corp Hydraulic steering system for boats
US4642032A (en) * 1985-08-07 1987-02-10 Teleflex Incorporated Axial piston pump including ball piston
JP5956920B2 (en) * 2012-12-14 2016-07-27 株式会社コガネイ Liquid supply device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE550917C (en) * 1931-03-22 1932-05-21 Arendt & Weicher Piston pump with parallel pistons arranged in a rotating drum
US2069651A (en) * 1935-02-18 1937-02-02 Oilgear Co Pump or motor
US2769393A (en) * 1951-03-23 1956-11-06 Sundstrand Machine Tool Co Hydraulic pump and control
US2997962A (en) * 1958-05-08 1961-08-29 Gen Motors Corp Pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195150A (en) * 1986-09-12 1988-03-30 Ckd Corp Axial air motor
US4805516A (en) * 1986-09-12 1989-02-21 Ckd Corporation Axial air motor

Also Published As

Publication number Publication date
US3116698A (en) 1964-01-07

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