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    • 4. 发明专利
    • Improvements in Electrically Operated Reversing Mechanism for Planing Machines and the like.
    • GB191505224A
    • 1916-02-03
    • GB191505224D
    • 1915-04-07
    • ROBERTSON ROBERT MCKENZIELENNOX JOHN
    • ROBERTSON ROBERT MCKENZIELENNOX JOHN
    • B23D7/00
    • 5224. Robertson, R. M., and Lennox, J. April 7. Planning.-Reversing-mechanism for planing machines employs two electro-magnetic clutches. A stepped pulley B rotates one clutch body to enable the speed on the cutting stroke to be varied. The pulleys carrying the clutch bodies are splined to sleeves loose on the shaft A and having flanges C at their inner and nuts C at their outer ends. Springs J' normally maintain the pulley bosses against the nuts C' and the clutches disengaged. The clutches are of annular form and the coils are fitted in asbestos-lined zinc casings H held in position by lugs and screws. The annular pole faces of the magnets are of unequal width to secure equality of area. Fibre friction rings D are made in halves and secured to thin sheet-metal casings D connected by lugs and screws to the pulleys, and gun metal rings A are secured to the clutch armature A fast on the shaft. Current is supplied to the coils through slip-rings, and the shaft is provided with passages for the lubrication of the sleeves. The armature A is fitted with a band brake J normally held out of operation by a solenoid, but released, in the event of current failing, to prevent over-running. The pulley B has a web G closing the space between fan-blade arms G which circulate air through gaps G , G to cool the clutch members. The table dogs operate a switch to throw the clutch coils alternately into and out of circuit.
    • 6. 发明专利
    • فاصل أطوار يستخدم فرق الضغط
    • SA517380702B1
    • 2020-09-21
    • SA517380702
    • 2017-01-11
    • ROBERT MCKENZIE
    • ROBERT MCKENZIE
    • يتعلقالاختراعالحاليبفاصل separator تيارغازي gas stream يحتويعلىصهريجأفقي horizontal tank بهمدخلموائع fluid inlet ،مخرجموائع fluid outlet ومسارتدفق flow path بطولالجانبالداخليللصهريجالأفقي horizontal tank. يوضعحاجزتدفق flow barrier ضمنالصهريجبينالمدخلوالمخرج. وتتصلمجموعةأوأكثرمنمنافذالسوائل liquid ports عنطريقالمائعبالصهريجوتكونعلىسطحسفليمنه. تحتويكلمجموعةمنمخارجالسوائلعلىمنفذأولومنفذثان. يكونالمنفذالأولفيموضعمنمسارالتدفقسابقعلىالمنفذالثاني. ويتصلممرموائعبالمنفذالأولوالمنفذالثانيعنطريقالمائع. ويحددممرالموائعمسارتدفقثانياًمجاوراًللصهريجالأفقي،حيثيعملالمنفذالأولكمدخلسحبإلىمسارالتدفقالثانوي secondary flow path ،ويعملالمنفذالثانيكمخرجسحبمنمسارالتدفقالثانويإلىالصهريج. شكل 1.
    • 8. 发明专利
    • Improvements in or relating to buildings of hollow wall construction
    • GB145140A
    • 1920-06-24
    • GB726319
    • 1919-03-24
    • WILLIAM THOMSON WATSONJOHN ANDREW REIDJOHN ROBERT MCKENZIE
    • E04B2/28
    • 145,140. Watson, W. T., Reid, J. A., and McKenzie, J. R. March 24, 1919. Double and hollow walls; girders.- Hollow walls of concrete slab buildings are constructed wholly or in part of slabs a, d which are T or L shape in plan, the largest face forming the inner or outer surface of the wall while the limbs a bridge the wall cavity and are built into the opposing wall slabs d. The continuous vertical passages b thus formed may be left hollow or be filled in with concrete. The quoin slabs a are so formed that they can be reversed in successive courses to present alternate header and stretcher faces a , a . The door and window jambs d are formed with exterior rabbets or cheeks d into which the door or window frame fits. Some or all of the wall slabs f, g may be of T or L section, and apertures h may be made in the limbs f , g' bridging the cavity to provide additional air space and to lessen the area through which moisture can penetrate. The lintels i are of channel section, reinforced by rods x. The buiiding units may be strengthened by webs l and may be tongued or grooved on the edges. The slabs &c. may be panelled or dished on the cavity faces to reduce cost and weight and may be used along with hollow walling of ordinary brickwork or masonry.
    • 10. 发明专利
    • A Relief-valve for Condensers.
    • GB191221669A
    • 1913-07-24
    • GB191221669D
    • 1912-09-24
    • LENNOX JOHNROBERTSON ROBERT MCKENZIE
    • LENNOX JOHNROBERTSON ROBERT MCKENZIE
    • F28B11/00
    • 21,669. Lennox, J., and Robertson, R. M. Sept. 24. Condenser systems.-The vacuum is broken in a jet condenser, in the event of failure of the air-pump, by means of a relief valve A which is normally held on its seat B bv the vacuum in the condenser against the action of a spring D, weight, or equivalent device tending to hold the valve off its seat, the valve being closed in starting the condenser by a separate device. The spring D operates between the valve cap F and adjustable nuts G on the valve stem E. To start the condenser, pins K on a loose collar J are brought into the position shown in camslots L so that the lifting tendency of the spring D is overcome by a spring H. The formation of the vacuum in the condenser depresses a piston P and pulls over a triangular lever M so that the pins K are in the vertical part of the slots L. The spring D is thus released, and lifts the relief valve A in the event of the vacuum falling to a dangerous extent. The Provisional Specification also states that a weight may be used to close the relief valve for starting purposes.