Abstract: A balanced cold runner system for use in injection molding a thermotropic liquid crystal polymer resin, said runner system comprising a plurality of runners wherein, in the through-plane of resin flow, substantially all the runner sections that connect one runner intersection to the next runner intersection at which branching occurs are free of sharp corners and wherein substantially all of the runner intersections at which a runner branches in no more than two directions are radiused in the direction of resin flow.

Abstract: A fuel injection fuel supply system for a combustion engine has a fuel injector valve effective for metering and injecting all of the required fuel to the engine induction system; in one version a single valve functions to supply the required fuel in equal amounts to each of the combustion cylinders of the engine through chamber means exposed to superatmospheric air; an electromagnetic assembly having a magnetic open loop is used for cyclically opening and closing the injector valve.

Abstract: A fuel metering apparatus is shown as having a throttle body with an induction passage therethrough and a throttle valve for controlling flow through the induction passage, a fuel-air mixture discharge member is situated generally in the induction passage downstream of the throttle valve, an air passage communicates between a source of air and the fuel-air mixture discharge member, the air passage is shown as also including a flow restrictor therein which provides for sonic flow therethrough, and a fuel metering valving assembly having a ball valve member is effective for metering liquid fuel as at a superatmospheric pressure and delivering such metered liquid fuel as into the air passage upstream of the flow restrictor thereby causing the thusly metered liquid fuel and air to pass through the sonic flow restrictor before being discharged into the induction passage by the fuel-air mixture discharge member, the ball valve member has a flattened surface against which an armature of a solenoid assembly operative

Abstract: A fuel metering apparatus is shown as having a throttle body with an induction passage therethrough and a throttle valve for controlling flow through the induction passage, a fuel-air mixture discharge member is situated generally in the induction passage downstream of the throttle valve, an air passage communicates between a source of air and the fuel-air mixture discharge member, the air passage is shown as also including a flow restrictor therein which provides for sonic flow therethrough, and a fuel metering valving assembly having a ball valve member is effective for metering liquid fuel as at a superatmospheric pressure and delivering such metered liquid fuel as into the air passage upstream of the flow restrictor thereby causing the thusly metered liquid fuel and air to pass through the sonic flow restrictor before being discharged into the induction passage by the fuel-air mixture discharge member, the ball valve member at least partly receives at least one resilient member which urges the ball valve