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Evernden Harold Ivan Frederick: Improvements in or relating to vehicle driving arrangements. Rolls-Royce, October 2, 1957: GB784119-A (7 worldwide citation)

784,119. Change-speed differential gearing. ROLLS ROYCE, Ltd. Jan. 20, 1954 [Oct. 28, 1952], No. 27121/52. Class 80 (2). A driving arrangement for track-laying vehicles comprises a hydro-kinetic unit (e.g. a fluid-coupling 14) interconnecting a power input shaft 11 and a cross-drive shaft 25, the to ...


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Evernden Harold Ivan Frederick: Vehicle periscope. Rolls-Royce, May 1, 1963: GB924721-A (2 worldwide citation)

924,721. Periscopes. ROLLS-ROYCE Ltd. Aug. 22, 1961 [Aug. 29, 1960], No. 29778/60. Class 97 (1). [Also in Group XXXII] A rear viewing device for a car, aircraft or boat is formed by three mirrors 13, 20 and 17 shown as mounted in the roof 11 of a car. Viewing mirror 13 and intermediate mirror 20 may ...


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Evernden Harold Ivan Frederick: Improvements in or relating to vehicle driving arrangements. Rolls-Royce, October 2, 1957: GB784120-A (2 worldwide citation)

784,120. Change-speed and differential gear. ROLLS-ROYCE, Ltd. Oct. 15, 1954 [Oct. 30, 1953], No. 30105/53. Class 80 (2). A driving arrangement for a tracklaying vehicle comprises a hydrokinetic drive unit 14 coaxial with the input shaft 11 and comprises separate bevel gears 24, 25 driving different ...


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Evernden Harold Ivan Frederick: Hydro-mechanical variable speed gearing. Rolls-Royce, January 29, 1964: GB947969-A (2 worldwide citation)

947,969. Hydromechanical variable-speed gearing. ROLLS-ROYCE Ltd. Sept. 11, 1962, No. 34631/62. Heading F2D. In an hydromechanical variablespeed gearing including a torqueconnector and two epicyclic gear trains arranged such that in one condition there are three torque paths, one from the torque con ...


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Evernden Harold Ivan Frederick: Railway locomotive transmissions. Rolls-Royce, December 13, 1961: GB884562-A (1 worldwide citation)

884,562. Hydro-mechanical variable-speed gear. ROLLS-ROYCE Ltd. April 25, 1960 [May 1, 1959], No. 15047/59. Class 80 (2). [Also in Group XXXI] A split-torque transmission comprises hydrodynamic torque converters 4, 5 and a fluid coupling 11a driven in parallel by a driving shaft 1, the torque conver ...


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Evernden Harold Ivan Frederick: Improvements in or relating to folding hoods such as are used for motor road vehicles. Rolls-Royce, June 21, 1950: GB639028-A (1 worldwide citation)

639,028. Vehicle hoods. ROLLS-ROYCE, Ltd. Dec. 19, 1947, No. 33661. [Class 108 (i)] A folding hood structure comprises two similar linkage assemblies disposed one on each side of a vehicle and at least one power-operated telescopic link, such as a hydraulic ram 30, pivoted at one end R to a, radius ...


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Evernden Harold Ivan Frederick: Improvements in or relating to variable-speed hydraulic power-transmission mechanism. Rolls-Royce, December 17, 1952: GB684233-A

684,233. Revolving cylinder pumps. ROLLSROYCE, Ltd. March 16, 1950 [March 16, 1949], No. 7240/49. Class 102 (i) [Also in Group XXIX] A variable speed power transmission of the type employing an hydro-static (or positive displacement) torque converter through which power is transmitted from an input ...


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Evernden Harold Ivan Frederick: Improvements in or relating to variable-ratio gear transmissions. Rolls-Royce, August 29, 1962: GB904329-A

904,329. Variable-speed gear. ROLLSROYCE Ltd. June 30, 1959 [July 25, 1958], No. 24109/58. Class 80 (2). A combined hydraulic and epicyclic variablespeed gear capable of providing six forward and two reverse ratios, comprises an input epicyclic train 12 having a planet carrier driven by an input sha ...