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    • 44. 发明专利
      GB328663A Improvements in or relating to the separation of intermixed divided materials 未知
    • Improvements in or relating to the separation of intermixed divided materials
    • GB328663A
    • 1930-04-30
    • GB3850028
    • 1928-12-31
    • RICHARD PEALE , REMBRANDT PEALE JR
    • B03B4/00
    • 328,663. Peale, R., and Peale, R. Dec. 18, 1928, [Convention date]. Pneumatic separating. - Relates to the separation of mixed materials of different density, such as a mixture of coal and rock, by passing them over. an air pervious table provided with separating riffles and simultaneously subjecting them to a shaking movement and an upward air pressure and consists (1) in the combination of means for producing a pulsating air pressure with a table which has zones of different degrees of perviousness and (ii) in the provision of means for producing air pulsations which are out of phase and vary between different limits at different parts of the table. The apparatus described is of the general type described in Specifications 290,276 and 292,495. The surface of the table 10, Fig. 5, is divided into zones A - - D in which the air perviousness is varied preferably in a progressively diminishing degree in the forward direction, the boundaries of the zones being substantially parallel to the separating partitions 55. In addition, the underside of the table may be provided with a series of small chambers formed by partitions 111, 117, Fig. 9, and a perforated bottom 119, the perforations 120 of which may be closed by stoppers 121 to further grade the air-perviousness of the table according to requirements. The main air-chamber 29, Fig. 1, is fitted with a rotary shutter valve 70, carried by a shaft 71 adapted to be mounted in one of the series of bearing bosses 72 provided in the sides of the air chamber. The valve consists of two fixed plates 80, 81, Fig. 3, and slidably adjustable wings 83, 84, for the purpose of accommodating the valve to the varying depths of the air chamber and also for controlling the upper and lower limits of the pulsating pressures. Adjustment of the shutter valve longitudinally of the air chamber determines different areas of the table in which the. pulsations are out of phase and have different pressure limits. The table is supported on a stationary frame 27 by inclined links 21 and is driven by an eccentric rod 45 and cushioned by buffer springs 52. The frame 27 is pivoted at 40 and adjusted in inclination, by screw rods 41. The construction of the table and the discharging devices are as described in Specification 292,495.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 47. 发明专利
      GB287184A Process and apparatus for separating intermixed divided materials of different specific gravities 未知
    • Process and apparatus for separating intermixed divided materials of different specific gravities
    • GB287184A
    • 1928-03-13
    • GB2256226
    • 1926-09-13
    • REMBRANDT PEALE , WILLIAM SANDERS DAVIES , WILLIAM STEWART WALLACE
    • B03B4/02
    • 287,184. Peale, R., Davies, W. S., and Wallace, W. S. Sept. 13, 1926. Pneumatic separating.-Relates to a process and apparatus for separating materials of different densities of the kind in which the materials are stratified on an air pervious table by the combined action of the reciprocating motion of the table and of air forced up through them, as described in Specification 222,186, and consists in arranging the separating riffles on the table so that the heavy materials are directed outwardly to both sides or inwardly to a'discharge edge formed by making the forward side of the table of bifurcated shape. The upper stratum of lighter material moves longitudinally so as to discharge over the end or sides and may be directed by guides placed above the riffles. Means are provided for controlling the distribution of the air pressure supplied to the table. One construction is shown in Fig. 1, in which the air pervious table 23 is provided with riffles 28 inclined forwardly and outwardly to the sides 26, 27 and is formed with two diverging discharge edges 31 leading to a shoot 32. In a modification, deflecting strips may be disposed, at variable heights, above the riffles 28 to direct the lighter material to the discharge edges 31. In a further modification the riffles may be parallel to the table sides or slightly inwardlv inclined so as to direct the heavy materials to the discharge edges 31, the lighter materials being directed to the sides. Another construction comprises a table having diverging riffles and converging sides so that the discharge of the lighter materials takes place over the end and also partly over the side edges of the table. Preferably, the riffles terminate short of the sides of the table, leaving a longitudinal channel 30 leading to a series of discharge openings 42, Fig. 2, with adjustable plates 47. The openings lead to shoots 49, fitted with adjustable hinged plates 62 by which the discharge of the heavy material can be regulated. The various grades of material are deposited on conveyers. Baffles 72, 73 adjustably positioned direct the middlings to a separate discharge. The air chamber may be divided into compartments by adjustably fixed partitions, and may also be provided with adjustable baffle plates so as to control the intensity of the air pressure for the discharge of the lighter or heavier materials or both. In one construction shown in Fig. 6, the space under the table is divided by partitions 227, 228, and the air pressure controlled by independently or simultaneously adjustable baffle plates 217. The air control devices may be used in conjunction with a table in which the air-perviousness is varied at different parts.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 48. 发明专利
      GB286748A Improvements in or relating to distant control for dirigible self-propelled machines 未知
    • Improvements in or relating to distant control for dirigible self-propelled machines
    • GB286748A
    • 1928-03-09
    • GB2225826
    • 1926-09-09
    • REMBRANDT PEALE , WILLIAM SANDERS DAVIES , WILLIAM STEWART WALLACE
    • E02F3/348 , E02F9/00
    • 286,748. Peale, R., Davies, W. S., and Wallace, W. S. Sept. 9, 1926. Controlling from a distance by fluid pressure.- For controlling a. self-propelled dirigible machine from a distant station by fluid-pressure, a number of separate conduits are arranged between the control-device at the station and devices on the machine for controlling the various operations ineluding backward and forward travel and steering. The invention is described in connection with a machine provided with a shovel for taking up material at the working face in thin coal seams, transporting it, and discharging it by means of a pusher-plate the machine being manoeuvred by driving endless treads at either side independently from the motor through either forward or reverse driving connections. The motor may be driven by compressed air or other fluid supplied from the distant station, and the machine is then particularly suitable for use in gas-laden mines. The hose a, Fig. 13. connecting the machine to the distant control station comprises a central conduit 345 for the air-supply to the motor on the machine and five conduits 312 for the air supply to the clutch-operating devices on the machine. The hose is coiled on a drum 314 at the control' station and uncoils against the pull of a spring 336 as the machine moves away from the station. The conduits 312 are connected with annular passages 311 in one end-plate of the drum, and this plate works in contact with a fixed plate 303 with similar passages connected with the control valves. The air supplies to the motor and to the cylinder operating the clutch for the shovel-discharge mechanism are controlled by stop valves. The supplies to the cylinders operating the four clutches for the propelling mechanism are controlled so that two clutches for driving the same tread oppositely cannot be thrown in together, but either of the clutches for one tread may be thrown in with either of those for the other tread, there being a separate valve device A and B, Fig. 12, for each tread. The two conical plug valves are connected to bevel sectors 371 which may be turned in opposite directions, for driving the treads oppositely by twisting the handle 402 so as to rotate the bevel pinion 401, and they may be turned in the same direction, for driving both treads forwards or backwards, by swinging the handle about the spindle 404. By a combined twisting and swinging movement of the handle, the clutches are set so that one tread is stationary and the other driven forwards or backwards. Alternatively, one or other of the sectors or valves may be locked with the valve in the neutral position, and the handle manipulated to rotate the other valve in either direction, or stop valves may be provided in the supply pipes to the two valves. In a modification, Fig. 21, a spring drum 410 is mounted separately from the control device C and heeps taut a cable connected to the middle point of the hose at 414, the part of the hose between 414 and the control station lying slack as the machine is moved about. Specifications 219,033 and 219,629 are referred to.
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