Patents Completed.
Page 20
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Hillman
Universal Joint. Further Carburetter Modifications. A Front
wheel Drive.
Copies of complete specifications of the patents published on this page can be obtained from the Sales Branch, Patent Office, Holborn, WC., at the cost of sixpence for each specification.
THE HILLMAN MOTOR C AR CO., LTD., and W. E. IloYss, No. 11,769, dated 14th August, 1915.—The accompanying drawing shows a sectional view of a universal joint. The shaft on the left-hand side, which may, for instance, be the gearbox shaft, carries a brake-drum and the forked end is made integral with this drum. The other shaft has rather long forks reinforced by cross-ribs. The coupling member is in the form of a cross with cup S at the end of each of the arms, and the ends of the forks are provided with 'similar nips. The engagement between the various parts is effected by balls in each of the cups. A grease-cup or other lubricator is fixed on the coupling member or .cross, extending into the space between, the long forks. The lubricant is distributed by intersecting passages in the coupling member.
H. LINDBLOM, No. 4321, dated 19th March, 1915.—In this carburetter a throttle-valve of the Plug type is fitted in the air-inlet pipe to the engine. A fuel-tube extends concentrically through the plug and a ported sleeve surrounds the fuel-tube. . One end of the fuel-tube is open to the atmosphere, and the fuel is introduced laterally at the same end. The fuel passes along the tube mixing with the primary air in so doing, and then passes out laterally through a port controlled by the • slgeve into the through-passage in the throttle.
When the throttle is moved for opening or closing, the fueltube moves with it and admits mom or less fuel by varying its ported connection with the float-feed chamber. If it, is desired to alter the proportion of fuel and air, theefuel-tube is moved axially by means of a disc threaded on the outer end and shown in the elevation; this movement again adjusts the ported connection.
If it is desired to alter the relative times of opening or closing the throttle and fuel-supply ports respectively, the sector, also indicated in the elevation, is adjusted to move the fuel-tube angularly with respect to the throttle-plug.
T. J. DISTURNAL, No. 6423, dated 29th April, 1915.— Cognate Application No. 15,137.—in this carburetter a number. of jets and choke-tubes are used, all opening into a single chamber. Within this chamber is a sleeve which can be turned and moved axially, and ports are provided in the sleeve to open the choke-tubes more or less and in any desired number according to the requirements of the engine. This sleeve constitutes the mixing chamber and the mixture passes from one end of it into the induction-pipe which may be provided with a separate throttle-valve. The left-hand jet has preferably a very small choke-tube and serves as a pilot,jet, while the right-hand jet has a large choke-tube which is used when the engine has warmed up.
The mixture may he warmed by inserting an exhaust or water-heated plug lute one end of the mixing-chamber. Additional air-inlets may be provided in the casing together with ports for them in the sleeve within the casing.
W. A. 13ESSERDICH, No. 7060, dated 11th May, 1915.—The accompanying drawing shows a method of mounting a steering wheel on a motor vehicle when a drive has also to be transmitted to the same wheel. The hollow fixed axle terminates in a. spherical chamber within which is mounted on vertical trunnions a second spherical chamber carrying the stub-axle. The driving shaft extends from the hollow axle into the chamber and is connected by a universal joint to a short driv ing stub-axle which is connected at the outer end to the wheelhub. This wheel-hub is mounted with roller bearings on the hollow stub-axle which effects the steering. Preferably ballbearings or roller-bearings are used for the vertical trunnions about which steering movements take place, and he steering rod is connected to a lug projecting downward.s in the ordinary manner.