GB759583A - Improvements in or relating to speed-sensitive devices of the magnetic drag type - Google Patents

Improvements in or relating to speed-sensitive devices of the magnetic drag type

Info

Publication number
GB759583A
GB759583A GB2342551A GB2342551A GB759583A GB 759583 A GB759583 A GB 759583A GB 2342551 A GB2342551 A GB 2342551A GB 2342551 A GB2342551 A GB 2342551A GB 759583 A GB759583 A GB 759583A
Authority
GB
United Kingdom
Prior art keywords
speed
engine
valve tube
valve
spindle
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
GB2342551A
Inventor
William Alexander Onslo Martin
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB2342551A priority Critical patent/GB759583A/en
Publication of GB759583A publication Critical patent/GB759583A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
    • G01P3/495—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents where the indicating means responds to forces produced by the eddy currents and the generating magnetic field

Abstract

759,583. Governor transmitting mechanism. ROLLS-ROYCE, Ltd. Oct. 8, 1952 [Oct. 8, 1951], No. 23425/51. Class 57 [Also in Groups XXIX and XXXV] The output torque of an eddy-current coupling (see Group XXXV), for use in governing the fuel supply and speed of a jet-engine, is dependent on the speed of the input member and also on its rate of change of speed for the purpose of reducing hunting of the governor. The fuel supply system for the engine comprises a pump impeller 16 driven from the engine shaft 10 and drawing fuel from a tank along a conduit 18 and delivering it along a conduit 19 past a throttle valve 20 to the engine combustion chamber. The valve 20 comprises a. plugged rotatable valve tube 21 having a series of inlet ports 23 whose area is not changed by rotation and a metering outlet port 24 whose area is controlled by rotation of the cylinder. A minimum flow orifice 23a is provided. The end of the valve tube carries a cylindrical head 25 having a radial nozzle 26 directed towards a receiving inlet 27 in a flange 29 of the valve tube, the fluid from the nozzle returning through ducts 41a, 41b to the duct 18. The pressure induced in inlet 27 acts on a Bourdon tube 30 connected between the flange and the casing to rotate the valve tube to control the aperture of outlet port 24. A steel cup 32 mounted on a spindle 34 has an aperture 33 in its edge through which the jet from the nozzle 26 passes. The spindle 34 which is resiliently restrained by springs 35, 36 carries the eddycurrent coupling member 37 the torque on which depends on the speed and acceleration of the driven member 39. This is achieved by fitting the permanently magnetized member 39 with a spring loaded pivotable shunt 42 whose position alters to vary the flux in accordance with the rate of change of speed of the member 39. In operation, if the engine speed becomes excessive, the increased torque on coupling member 37 turns the spindle 34 and cup 32 displacing slot 33 to reduce the pressuredue to the jet 26 on the Bourdon tube 30. Consequent rotation of the valve tube 20 closes port 24 and reduces the supply of fuel to the engine. Specification 716,255 is referred to.
GB2342551A 1951-10-08 1951-10-08 Improvements in or relating to speed-sensitive devices of the magnetic drag type Expired GB759583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2342551A GB759583A (en) 1951-10-08 1951-10-08 Improvements in or relating to speed-sensitive devices of the magnetic drag type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2342551A GB759583A (en) 1951-10-08 1951-10-08 Improvements in or relating to speed-sensitive devices of the magnetic drag type

Publications (1)

Publication Number Publication Date
GB759583A true GB759583A (en) 1956-10-24

Family

ID=10195390

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2342551A Expired GB759583A (en) 1951-10-08 1951-10-08 Improvements in or relating to speed-sensitive devices of the magnetic drag type

Country Status (1)

Country Link
GB (1) GB759583A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419027A (en) * 1964-02-20 1968-12-31 Daimler Benz Ag Speed responsive pressure control device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419027A (en) * 1964-02-20 1968-12-31 Daimler Benz Ag Speed responsive pressure control device

Similar Documents

Publication Publication Date Title
GB759583A (en) Improvements in or relating to speed-sensitive devices of the magnetic drag type
US2443527A (en) Fuel supply system
GB759695A (en) Improvements in or relating to speed-sensitive control devices
GB634095A (en) Fuel feed and power control system of device for gas turbines, jet engines and the like
GB1098596A (en) Improvements relating to fluid flow jets, particularly for carburetters
US2407139A (en) System for producing regulated liquid pressure
GB762179A (en) Improvements in or relating to fuel supply systems for ram-jet engines
GB827668A (en) Improvements in the control of supersonic fluid flow in ducts
GB1445347A (en) Fuel control apparatus for gas turbine engines
GB614202A (en) Improvements in mechanism for controlling the supply of fuel to internal combustion turbines
US2598202A (en) Speed controlled fuel system
US2455308A (en) Control apparatus for internalcombustion engines
GB888328A (en) Improvements in fuel systems for aircraft gas turbine engines
GB918789A (en) Improvements in or relating to valve apparatus for adjusting fuel outputs
US2526673A (en) Carburetor
GB815584A (en) Speed-responsive governors
US2930370A (en) Fuel injection system
GB806747A (en) Hydraulic speed-responsive governors
GB806011A (en) Hydraulic speed governors
GB1381100A (en) Fuel control apparatus for gas turbine engine
GB1022381A (en) Gas turbine engine fuel system
GB930892A (en) Improvements in fuel supply systems for spill burner nozzles
GB716254A (en) Improvements in or relating to gas-turbine engine fuel systems having fluid-pressureoperated automatic control mechanisms
GB1429493A (en) Power unit comprising a supercharged internal combustion engine
GB907324A (en) Improvements in fuel systems particularly for gas turbine engines