Alf Lysholm

Alf James Rudolf Lysholm (14 December 1893 – 20 February 1973) was a Swedish engineer.

[1] Lysholm worked for the Ljungstrom steam turbine company, where he rose to become Chief Engineer.

[2] He is noted for the invention of the rotary screw compressor, which he developed in the 1930s while working on a series of unsuccessful gas turbine engines.

[3][2] He also developed the hydraulic torque converter.

This article about a Swedish engineer, inventor or industrial designer is a stub.