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1. 发明专利

DE1798108A1 未知
公开(公告)号：DE1798108A1
公开(公告)日：1971-11-04
申请号：DE1798108
申请日：1968-08-23
申请人： CURRAN JOHN LTD
发明人： ELIJAH WEEKLEY EDWARD
IPC分类号： G01L5/13 , G01M15/00

2. 发明专利

GB1023303A Improvements in or relating to engine test benches 未知
公开(公告)号：GB1023303A
公开(公告)日：1966-03-23
申请号：GB4117961
申请日：1961-11-17
申请人： CURRAN JOHN LTD
发明人： WEEKLEY EDWARD ELIJAH
IPC分类号： F01D25/28 , G01L5/13 , G01M15/02
摘要： 1,023,303. Measuring engine thrust. JOHN CURRAN Ltd. Nov. 14, 1962 [Nov. 17, 1961; June 7, 1962], Nos. 41179/61 and 22005/62. Heading G1W. An engine test bench for testing the thrust of jet engines comprises an engine carrier 1 (Figs. 1, 2) on a platform 2 having two converging arms 3, 4 with a cross beam 18 and supported on a fixed base 5 by flexure straps 6, 11. A hydraulic capsule 16 is supported on post 14 fixed to the base 5, and a similar capsule 17 is fixed to the cross beam 18 of the platform 2. The capsules have movable heads, 16b and 17e (Fig. 3) respectively, which abut one another, the head 16b having an adjustable part 16e. Movement of the platform 2 by the engine thrust moves a housing 17c of the capsule 17 and reduces the volume of a chamber 17a between the head 17e and the housing 17c thus actuating a Bourdon tube instrument 19 which indicates the engine thrust. The head 16b is not displaceable by the force exerted upon movement of the platform 2 so long as the volume of a hydraulic compensating circuit (Fig. 3) remains unchanged. This circuit comprises a compensator device 21 having a variable volume chamber 22 defined by a fixed housing part 23a and a diaphragm 24 bonded to a rigid block 25. The block is bolted to a piston 26 movable in a chamber 31 in a housing part 23b and is coupled to a motor (Fig. 4 not shown). When the platform 2 moves due to the engine thrust a projection thereon engages a switch to start the motor which moves the piston 26 so as to reduce the volume of the chamber 22. Liquid is thereby forced through a pipe 140 to the space 16a which causes the head 16b to push the head 17e toward the housing 17c. But, as the housing is rigidly connected to the beam 18 of the platform 2, the platform moves to its original position from which it was moved by the engine thrust, and the relative displacement of the head 17e and housing 17c remains unchanged. During this return movement of the platform therefore the instrument 19 still indicates the engine thrust. The calibration and setting up of the test bench is described wherein a hand operated device 42 (Fig. 3) is provided which is similar to and is arranged in parallel with the device 21. Instead of the hydrostatic capsule 17 as a load cell a hydro-dynamic load cell may be used (not shown).

3. 发明专利

CA699165A ENGINE TEST BENCHES 未知
公开(公告)号：CA699165A
公开(公告)日：1964-12-01
申请号：CA699165D
申请人： CURRAN JOHN LTD
发明人： WEEKLEY EDWARD E

4. 发明专利

CA471508A ENGINE TEST BENCHES 未知
公开(公告)号：CA471508A
公开(公告)日：1951-02-13
申请号：CA471508D
申请人： CURRAN JOHN LTD
发明人： WHITEHEAD CYRIL DORKING

5. 发明专利

GB1237372A IMPROVEMENTS IN OR RELATING TO MEANS FOR MOUNTING ENGINES ON TEST BENCHES 未知
公开(公告)号：GB1237372A
公开(公告)日：1971-06-30
申请号：GB2662667
申请日：1967-06-09
申请人： CURRAN JOHN LTD
发明人： WEEKLEY EDWARD ELIJAH
IPC分类号： G01M15/02
摘要： 1,237,372. Engine test beds. JOHN CURRAN Ltd. Aug. 5, 1968 [June 9, 1967] No. 26626/67. Heading G1W. A bed supporting a gas turbine jet engine Fig. 9 under test comprises stationary and movable supports 25, 29 and connections 31, 32 acting there between comprising flexible link elements 10a, 10b, Fig.3 (not shown) arranged so that, at least under certain test conditions, one link 10a is in tension and the other 10b in compression, the latter being provided with a relatively stiff length 14 located between two relatively flexible lengths to confine the region of flexing. Both links may be stiffened, Fig. 4, they may be staggered and the common part 13 may be on the stationary or movable part. Each support connection may comprise two thin metallic straps 54, 55 Fig. 10, with their opposite ends clamped between spacer blocks 56, 57 by bolts 58 securing them to lugs 51, 52 and a frame 50 to which the engine carrier 40 is secured. The central parts of the straps 54, 55 are clamped between pairs of rigid plates 59, which are apertured to receive a sleeve 60. The ends of the sleeve 60 are connected to spigots engaged in apertures in bearing plates 61, 62 (relative to which the sleeve can be adjusted) and the plates 61, 62 are carried by a stationary base 66 frame through trunnions 64, 65. Engine thrust is measured by a load cell 68 positioned between a member 67 (secured to the frame 50 through the spacers 56, 57 and lugs 51, 52) and an anvil 69 carried by a rigid yoke 70 attached to the base 66. The lengths of each strap 54, 55 between the central spacers 59 and outer spacers 56, 57 are surrounded by stiffening plates 72, 73 connected thereto non-positively by bolts 75 arranged to connect the plates 72, 73 at points beyond the edges of the straps, the grip being insufficient to transmit tensile or compressive loading from the straps to the plates. Protective end covers may also serve as stops to limit movement should a strap break. The strap may be of 16 gauge steel sheet approximately 0À064 inches thick and of total length 30 inches, and the unit may accomodate a deflection under thrust of up to 0À02 inches or even 0À1 inches. Vertical and transverse thrusts can also be measured in apparatus with further supports mounted one on another by similar strap units for limited relative movements in the required directions. Other methods of stiffening flexible elements are envisaged and rigid links if flexibility is provided at the ends e.g. with coiled springs, leaf springs or elastomeric brushes arranged to distort angularly in shear.

6. 发明专利

GB745211A Improvements in or relating to engine test benches 未知
公开(公告)号：GB745211A
公开(公告)日：1956-02-22
申请号：GB109853
申请日：1953-01-14
申请人： CURRAN JOHN LTD
发明人： WHITEHEAD CYRIL DORKING
IPC分类号： B25H1/00 , B64C11/00
摘要： 745,211. Resilient mountings. CURRAN, Ltd., J. March 5, 1954 [Jan. 14, 1953], No. 1098/53. Class 108 (3). [Also in Group XXIII] In a test bench provided with means for measuring the power output of a gas turbine engine, the front end of the engine carrier platform 9 is supported on the front platform 6 of the rigid support stand by a crossed link flexure pivot device 17. The device 17 comprises link means having an upper thickened flange portion 26a and a lower thickened flange portion 26b, these flanges being connected by a relatively thin web 26c and by a rearwardly disposed web 26d, the two webs being oppositely inclined to the vertical. The upper flange 26a is secured to the engine platform 9 by bolts 27 which are secured to mounting blocks 28 disposed on each side of the link means. Stiffening plates 30, 31 are fixed to the flange portions 26a on each side thereof by bolts 35. A transverse spindle 101 passes through bores in the mounting blocks 28. The lower flange 26b is secured directly to the stand platform 6 by bolts 32.

7. 发明专利

GB655950A Improvements in or relating to jib cranes 未知
公开(公告)号：GB655950A
公开(公告)日：1951-08-08
申请号：GB3052647
申请日：1947-11-18
申请人： CURRAN JOHN LTD , CYRIL DORKING WHITEHEAD
IPC分类号： B66C23/36 , B66C23/74
摘要： 655,950. Jib cranes. CURRAN, Ltd., J., and WHITEHEAD, C. D. Nov. 18, 1947, No. 30526. [Class 78 (iv)] A jib crane is movable on a vehicle from a position in which it is wholly supported by the vehicle to a position in which the crane base rests on the surface which supports the vehicle, the vehicle serving as a counterpoise when the crane is supported by the surface. The crane shown serves for lifting aircraft on an aerodrome to permit transporting means to be inserted beneath and is supported by a lattice beam structure 2 pivoted at 3 to the vehicle, the beam withstanding all longitudinal stresses. The jib is in two parts 6, 7, hinged together at 8, the upper portion 7 comprising two lower members 7a and an upper member 7b, while the lower portion 6 comprises two laterally-spaced side-frames joined by suitable bracing, and terminating in plates 9 to which are universally pivoted a pair of transverse beams 14 (see especially Fig. 4) carrying at each end a swivelling foundation plate 10. During transport, the parts 6, 7 of the jib lie above one another, spaced by a closed telescopic link 20, with the crown block 19 and tackle 17, 18 disposed between the folded plates 10 and clamped by means not shown, the lower jib part 6 being pivoted to the beam 2 at 21 and being joined by links 22a to bell-crank levers 23 pivoted at 24 to the beam 2 and urged to the position shown by a spring 29. In erecting the crane the luffing drum 4 operating a rope 26 passing over a pulley 27 in a frame 28 pivoted to the jib part 7 is operated to raise the jib part 7 till the link 20 is fully extended, as shown in Fig. 2; if this process is continued too far the jib part 6 moves the bellcrank 23 against the action of the spring 29 to operate a switch or cut-out device which stops the winches. The links 22a are now disconnected and the winch 4 again operated so that the jib structure turns as a whole about the pivot 21 till the lug 22 is in position to be pinned at 30 to the upper end of the bell-crank 23. The beam 14 and foundation-plates 10 are then unclamped, and the pivot 21 released so that by paying out the luffing rope 26 and the lifting rope 25 by means of the winches 4, 5, the jib structure turns under its own weight about the pivot 30 to the position shown in Fig. 4, in which notches 31 (Fig. 2) in the plates 9 engage pivots 32 on the bell-cranks 23 to which they are then secured. The telescopic link 20 may now be disconnected, the lower half being swung down and secured, and the luffing rope 26 drawn in so that the jib part 7 turns about the pivot 8 to be secured by a triangular frame 33 to the lower jib part 6. The pivot 30 is now released and the rope 26 paid out to permit the jib to pivot about the point 32 so that the plates 10 rest on the ground, taking the weight of the crane and the beam 2 rocks on its pivot 3 and comes to rest on a stop 2a. A further vehicle carrying counterweights may be secured at 35 to the front of the beam 2. A jib comprising only a single part may be employed, and it is stated that instead of turning the jib about a series of pivots at 21, 30 and 31, it may be turned about a single pivot which is movable longitudinally of the vehicle.

8. 发明专利

DE1698480B1 未知
公开(公告)号：DE1698480B1
公开(公告)日：1970-04-30
申请号：DE1698480
申请日：1962-11-16
申请人： CURRAN JOHN LTD
发明人： ELIJAH RHOOSE BARRY WEEKLEY ED
IPC分类号： F01D25/28 , G01L5/13 , G01M15/02

9. 发明专利

GB1023304A Improvements in or relating to engine test benches 未知
公开(公告)号：GB1023304A
公开(公告)日：1966-03-23
申请号：GB2933565
申请日：1961-11-17
申请人： CURRAN JOHN LTD
发明人： WEEKLEY EDWARD ELIJAH
IPC分类号： F01D25/28 , G01L5/13 , G01M15/02
摘要： 1, 023, 304. Measuring engine thrust JOHN CURRAN Ltd. Nov. 14, 1962 [Nov. 17, 1961; June 7, 1962], Nos. 29335/65 and 29336/62. Divided out of 1,023,303. Heading G1W. The subject matter of the Specification is included in the Specification (1, 023, 303) but the claims are directed mainly to the supporting arrangement of the engine and a carrier by means of flexible straps including a crossed link flexure pivot.

10. 发明专利

FR1344559A 未知
公开(公告)号：FR1344559A
公开(公告)日：1963-11-29
申请号：FR915623
申请日：1962-11-16
申请人： CURRAN JOHN LTD
IPC分类号： F01D25/28 , G01L5/13 , G01M15/02

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