Patents Assigned to Flygt Aktiebolag
  • Key joint apparatus for assembly of electrical motors
    Patent number: 4682069
    Abstract: The invention concerns a key joint for electric motors. More particularly, in order to obtain simplified assembly of a squirrel-cage rotor having inclined grooves to a shaft, a key joint is provided wherein the key comprises two integrated parts (1) and (2). The first part (1) has the same width and depth as the keyway in the shaft, while the second part (2) is inclined relative to the first part (1) and arranged radially outside of the latter.
    Type: Grant
    Filed: May 8, 1986
    Date of Patent: July 21, 1987
    Assignee: Flygt Aktiebolag
    Inventor: Torvald Stahl