GB1387008A - Rotary servo-mechanism - Google Patents

Rotary servo-mechanism

Info

Publication number
GB1387008A
GB1387008A GB2974372A GB2974372A GB1387008A GB 1387008 A GB1387008 A GB 1387008A GB 2974372 A GB2974372 A GB 2974372A GB 2974372 A GB2974372 A GB 2974372A GB 1387008 A GB1387008 A GB 1387008A
Authority
GB
United Kingdom
Prior art keywords
grooves
input shaft
output member
bushing
chambers
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
GB2974372A
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.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal 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 Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Publication of GB1387008A publication Critical patent/GB1387008A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/14—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with rotary servomotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)
  • Servomotors (AREA)

Abstract

1387008 Power steering mechanism MITSUBISHI KINZOKU KOGYO KK 26 June 1972 [26 June 1971] 29743/72 Heading B7H [Also in Division G3] A rotary hydraulic servomotor, e.g. for power steering, has two pairs of servochambers 11, 13 and 12, 14 defined within casing 2 by vanes 5A, 5B on output member 5 and fixed webs 2A, 2B integral with the casing. The output member projects through end block 3 and includes a bushing 5L whereby it is rotatably mounted on a rotary input shaft 1 extending through block 3 and an opposite block 4. Follow-up valve mechanism is provided at 30 between the input shaft and bushing 5L, and may include grooves 23, 23a in the bushing supplied respectively from ports 19, 19a via 20-22 and 20a-22a. Groove 33 in the bushing is connected to drain via 34-36, and grooves 24, 24a in the input shaft connect respectively with chambers 11, 13 and 12, 14 via 26-29, 31, 32 and 26a-29a, 31a, 32a. There may be zero, negative or positive lap between the grooves in the input shaft and the output member when the valve mechanism is in neutral. In modifications (Figs. 8 and 9, not shown), the servochambers are connected to grooves in the output member and the supply and exhaust grooves are located in the input shaft and connected to axial passages in the input shaft. The grooves may be duplicated at diametrically opposite regions of the input shaft and the output member to ensure hydraulie balance of the input shaft (Fig. 10, not shown). In a further hydraulically-balanced embodiment (Fig. 11), the input shaft has supply grooves 66 and exhaust grooves 67, and the output member has grooves 68 communicating with chambers 11, 13 and grooves 69 communicating with chambers 12, 14.
GB2974372A 1971-06-26 1972-06-26 Rotary servo-mechanism Expired GB1387008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4654471 1971-06-26

Publications (1)

Publication Number Publication Date
GB1387008A true GB1387008A (en) 1975-03-12

Family

ID=12750234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2974372A Expired GB1387008A (en) 1971-06-26 1972-06-26 Rotary servo-mechanism

Country Status (6)

Country Link
CA (1) CA952406A (en)
DE (1) DE2231063A1 (en)
FR (1) FR2143762B1 (en)
GB (1) GB1387008A (en)
IT (1) IT960707B (en)
SE (1) SE384252B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169515A (en) * 1978-02-23 1979-10-02 The Bendix Corporation Power steering device
DE3535885A1 (en) * 1985-10-08 1986-05-07 Manfred Dipl.-Ing. 7052 Schwaikheim Egner Fluid articulated drive

Also Published As

Publication number Publication date
FR2143762B1 (en) 1974-12-27
IT960707B (en) 1973-11-30
CA952406A (en) 1974-08-06
DE2231063A1 (en) 1973-01-18
SE384252B (en) 1976-04-26
FR2143762A1 (en) 1973-02-09

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years