CH250261A - Device for adjusting the blades of propellers during operation. - Google Patents

Device for adjusting the blades of propellers during operation.

Info

Publication number
CH250261A
CH250261A CH250261DA CH250261A CH 250261 A CH250261 A CH 250261A CH 250261D A CH250261D A CH 250261DA CH 250261 A CH250261 A CH 250261A
Authority
CH
Switzerland
Prior art keywords
blades
adjusting
during operation
propellers during
propellers
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Gebr Sulzer
Original Assignee
Sulzer Ag
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 Sulzer Ag filed Critical Sulzer Ag
Publication of CH250261A publication Critical patent/CH250261A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B63H3/06—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
    • B63H3/08—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B63H3/06—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
    • B63H3/08—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
    • B63H3/081—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid actuated by control element coaxial with the propeller shaft
    • B63H3/082—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid actuated by control element coaxial with the propeller shaft the control element being axially reciprocatable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
    • B64C11/42—Blade pitch-changing mechanisms fluid, e.g. hydraulic non-automatic
    • 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
    • F15B9/02—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 servomotors of the reciprocatable or oscillatable type
    • F15B9/08—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 servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B63H3/06—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
    • B63H3/08—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
    • B63H2003/088—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid characterised by supply of fluid actuating medium to control element, e.g. of hydraulic fluid to actuator co-rotating with the propeller

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CH250261D 1944-12-02 1944-12-02 Device for adjusting the blades of propellers during operation. CH250261A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH248141T 1944-12-02
CH250261T 1944-12-02

Publications (1)

Publication Number Publication Date
CH250261A true CH250261A (en) 1948-06-01

Family

ID=41228725

Family Applications (2)

Application Number Title Priority Date Filing Date
CH250261D CH250261A (en) 1944-12-02 1944-12-02 Device for adjusting the blades of propellers during operation.
CH248141D CH248141A (en) 1944-12-02 1944-12-02 Servo motor for adjusting propeller blades.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH248141D CH248141A (en) 1944-12-02 1944-12-02 Servo motor for adjusting propeller blades.

Country Status (4)

Country Link
US (1) US2513546A (en)
CH (2) CH250261A (en)
FR (1) FR916934A (en)
GB (1) GB603115A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH279159A (en) * 1946-10-07 1951-11-15 Johannes Liaaen Nils Propeller adjustment device with servo motor for ships, pumps or turbines.
US2754923A (en) * 1952-06-30 1956-07-17 John H Strandell Single crank controllable pitch propeller
US2798564A (en) * 1952-06-30 1957-07-09 John H Strandell Mechanical controllable pitch propeller
US2693243A (en) * 1952-07-23 1954-11-02 John H Strandell Double crank controllable pitch propeller
US2753847A (en) * 1952-08-14 1956-07-10 Reynolds Metals Co Apparatus for hydraulic production of metallic extrusions and forgings
US2739571A (en) * 1952-12-29 1956-03-27 Northrop Aircraft Inc Cylinder assembly for hydraulic actuator
NL84649C (en) * 1953-10-26
US2954830A (en) * 1954-05-27 1960-10-04 Cooper Bessemer Corp Propeller pitch control mechanism
US2944520A (en) * 1954-09-13 1960-07-12 Swanson Bernard August Fluid motor with rotary and/or rectilinear movable piston
US2992688A (en) * 1957-02-18 1961-07-18 Hartzell Propeller Inc Adjustable pitch propeller
GB828942A (en) * 1957-04-18 1960-02-24 Ernest Charles Hatcher Improvements relating to propellers or the like having variable-pitch blades
CH410822A (en) * 1963-04-29 1966-03-31 Karlstad Mekaniska Ab Adjustment device on turbines, pumps or propellers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1945071A (en) * 1927-08-31 1934-01-30 Harry E Popp Hydraulic turbine
US2028448A (en) * 1935-04-03 1936-01-21 Leroy F Harza Hydraulic turbine
US2244770A (en) * 1937-01-15 1941-06-10 Englesson John Elov Operating device for propellers, turbine wheels, and pump wheels having rotatable blades
US2210009A (en) * 1938-08-10 1940-08-06 Robert J Ruths Hydraulic operated variable pitch propeller
GB553929A (en) * 1941-03-08 1943-06-10 Escher Wyss Maschf Ag Improvements in or relating to variable-pitch propellers
US2456361A (en) * 1943-08-14 1948-12-14 Sulzer Ag Device for adjusting the blades of ships' propellers

Also Published As

Publication number Publication date
US2513546A (en) 1950-07-04
GB603115A (en) 1948-06-09
CH248141A (en) 1947-04-15
FR916934A (en) 1946-12-19

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