GB516721A - Improvements in or relating to hydraulic motors - Google Patents

Improvements in or relating to hydraulic motors

Info

Publication number
GB516721A
GB516721A GB13302/38A GB1330238A GB516721A GB 516721 A GB516721 A GB 516721A GB 13302/38 A GB13302/38 A GB 13302/38A GB 1330238 A GB1330238 A GB 1330238A GB 516721 A GB516721 A GB 516721A
Authority
GB
United Kingdom
Prior art keywords
piston
valve
rim
plate
motor
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
GB13302/38A
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.)
GUNNAR AXEL WARLMARK
Original Assignee
GUNNAR AXEL WARLMARK
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 GUNNAR AXEL WARLMARK filed Critical GUNNAR AXEL WARLMARK
Publication of GB516721A publication Critical patent/GB516721A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/061—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F03C1/0613—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having two or more sets of cylinders or pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/0602—Component parts, details
    • F03C1/0605—Adaptations of pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/061—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F03C1/0615—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders distributing members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/061—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F03C1/0615—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders distributing members
    • F03C1/0618—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders distributing members cylindrical distribution members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/0678—Control
    • F03C1/0681—Control using a valve in a system with several motor chambers, wherein the flow path through the chambers can be changed

Abstract

516,721. Hydraulic motors. WAHLMARK, G. A. May 4, 1938, Nos. 13302 and 13303. Convention dates, May 17, 1937, and Feb. 7, 1938. [Class 69 (ii)] The distributing valve of a hydraulic swashplate motor comprises a wheel disc with rim 63 and hub 62 mounted eccentrically on the motor shaft and moving so that cylinder ports 28 are alternately opened to the inlet passage 14 through the space around the rim, closed by the rim, and opened to the outlet passage 15 through the space within the rim. Means for working the motor at two speeds comprises a tubular valve 74 surrounding the shaft and adapted to open or close communication between ports 71, 73. As shown in Fig. 1, the motor cylinders each contain two pistons 31, 32, and the valve 74 in its left-hand position allows liquid to act only on the left hand of the piston 31, giving a slow speed, the piston 32 then acting as a piston rod. In the other valve position, liquid entering the port 73 operates the piston 32, giving a high speed. The piston 32 has a conical end bearing on the outer race of a ball bearing carried by the swash-plate. In a modification, each motor comprises two cylinders, one of smaller bore than the other, and each with a single piston acting on the swash-plate, and the valve 74 in one position allows liquid to flow to both cylinders and in the other position to the smaller cylinder only. The inclination of the swash-plate may be adjusted by a screwed rod acting on a lever bearing indirectly on the plate. Specifications 516,565 and 516,764 are referred to.
GB13302/38A 1937-05-17 1938-05-04 Improvements in or relating to hydraulic motors Expired GB516721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US516721XA 1937-05-17 1937-05-17

Publications (1)

Publication Number Publication Date
GB516721A true GB516721A (en) 1940-01-10

Family

ID=21972699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13302/38A Expired GB516721A (en) 1937-05-17 1938-05-04 Improvements in or relating to hydraulic motors

Country Status (1)

Country Link
GB (1) GB516721A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3151569A (en) * 1960-10-19 1964-10-06 Schweizerische Lokomotiv Axial piston pump having a control device for varying the delivery
CN112502897A (en) * 2020-12-19 2021-03-16 王建设 Twisting type hydrodynamic machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3151569A (en) * 1960-10-19 1964-10-06 Schweizerische Lokomotiv Axial piston pump having a control device for varying the delivery
CN112502897A (en) * 2020-12-19 2021-03-16 王建设 Twisting type hydrodynamic machine

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