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    • 4. 发明专利
    • FUEL INJECTION SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINE
    • CA1082058A
    • 1980-07-22
    • CA311699
    • 1978-09-20
    • WALLIS MARVIN E
    • WALLIS MARVIN E
    • F02M7/06F02M69/08F02M71/04F02N19/00F02M1/16
    • FUEL INJECTION SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINE An air and fuel mixing device incorporates a Venturi throat or other mixing means for feeding a highly combustible mixture of fuel and pressurized air to an electrical fuel injector valve or directly to the intake manifold in a system for starting an internal combustion engine. The system replaces the choke in a conventional electrical ignition type internal combustion engine. The fuel injector valve is controlled to inject a limited quantity of a highly combustible atomized air-fuel mixture into the engine intake manifold during engine startup. Startup is achieved with minimum fuel waste and produces a minimum of exhaust pollutants. A modified form of the invention is shown as employed in a fuel injection type internal combustion engine system wherein high pressure air-fuel mixture is fed to the fuel injectors solely through use of a conventional low pressure fuel pump and air supply. The injectors operate to discharge a highly volatile, combustible, air-fuel mixture under pressure, instead of raw fuel thus significantly increasing combustion efficiency during engine startup to minimize fuel waste and reduce deleterious exhaust emissions. Another modified form of the invention is shown wherein the system is employed to feed a mixture of fuel and pressurized air to the engine intake manifold in response to an acceleration command from the engine throttle control during normal engine operation. This eliminates the need for the notoriously troublesome carburetor accelerator pump now in conventional use.
    • 10. 发明专利
    • AT309058B
    • 1973-08-10
    • AT395570
    • 1970-04-30
    • WALLIS MARVIN E
    • WALLIS MARVIN E
    • B29B7/00B29C47/00B29C47/88B29C48/305B29C48/92B65B33/02B29D7/02
    • 1314902 Producing films of polymeric material M E WALLIS 1 May 1970 [2 May 1969] 21125/70 Heading B5B [Also in Division B8] A lay-flat film of thermoplastic polymeric material particularly useful in packaging food products by "curtain coating ", that is, a process wherein the products are moved through a sheet of the material as it issues from a nozzle as a viscous liquid so that the product surface is covered by the material which then cools and solidifies to form an impermeable cover, is produced by heating the material to the viscous liquid state, applying substantially constant fluid pressure to the viscous liquid thereby discharging the pressurized liquid from a nozzle in the form of a planar, continuous, steady, unbroken sheet and cooling the material so that it becomes a solid film which, in the particular use, overlies the food product. As shown, the apparatus consists of a melting vessel 24 enclosed in a jacket 28 surrounded by a coil 30 of aluminium tube, all enclosed in an insulating casing 32, and a similarly constructed pressure component 22 consisting of a vessel 34, jacket 38, coil 42 and casing 44. Both vessels 24, 34 are heated by air circulated by a blower 46 and heated at 48. An inert gas such as CO 2 or nitrogen from a cylinder 96 is preheated in coils 30, 42 and selectively admitted at the top of each respective vessel to pressurize the contents thereof. The vessel 24 is loaded with thermoplastic material through a top cover 62 and the material is melted therein. Pressurization of the vessel causes the hot viscous plastic liquid to flow through filter 64, conduit 70, filter 72 and conduit 74 into vessel 34 to fill it to a level determined by a control 94, whereupon a liquid inlet valve is closed and the vessel 34 is pressurized, causing the hot liquid to pass through a conduit 88 to an extrusion nozzle 14. The liquid issues from the nozzle as a continuous film on to a heated roller 16. A conveyer 12, Fig. 2, passes articles through the film so that they become covered with plastic material, surplus material being removed at 18 to be reused.