×

Additive material metering system with weighing means

  • US 4,427,133 A
  • Filed: 05/12/1981
  • Issued: 01/24/1984
  • Est. Priority Date: 01/23/1980
  • Status: Expired due to Fees
First Claim
Patent Images

1. A material storage and metering system, comprising:

  • first storage means for storing a first solid phase material;

    first metering means for transferring said first material from said first storage means at a controlled flow rate within a first range of flow rates, said first range being defined by a low end and a high end;

    second storage means, for storing a second solid phase material, said second storage means having a capacity less than a capacity of said first storage means;

    second metering means for transferring said second material from said second storage means at a controlled flow rate within a second range of flow rate, said second range being defined by a low end and a high end, said high end of said second range being at least substantially as great as said low end of said first range;

    a transportable frame having ground engaging means for allowing said frame to traverse a ground surface, said first and second storage means and said first and second metering means being mounted upon said frame for transport therewith;

    wherein said first storage means is supported from said transportable frame by a first support means and a load cell support means for sensing a weight supported by said load cell support means and for generating a signal representing said weight, said load cell support means including a lift means movable between a first position wherein said load cell support means is held in load supporting engagement with said first storage means and a second position wherein said load cell support means is held out of load supporting engagement with said first storage means; and

    wherein said load cell support means and said first metering means are connected to a common power source and are so arranged and constructed that when power is supplied from said source to said first metering means power is also supplied to said lift means to move said lift means to its said first position, and when power is disconnected from said first metering means power is also disconnected from said lift means so that said lift means returns to its said second position.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×