Accession Number : AD0164188

Title :   Wiper for Machined Surfaces.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Stoltze,Leon ; Laun,Fred David

Report Date : 02 MAY 1972

Pagination or Media Count : 4

Abstract : The patent describes a wiper ring for cleaning the inside wall of the operating cylinder of a hydromatic variable pitch aircraft propeller. The ring has a debris collecting wiper edge and incorporates a plurality of permanent magnets spaced at intervals along its length to attract and hold ferrous particles collected by the wiper edge and prevent them from being abraded into the inside wall of the operating cylinder.

Descriptors :   (*Cleaning, Rings), (*Patents, Cleaning), Cylindrical bodies, Variable pitch propellers, Permanent magnets

Subject Categories : Aircraft
      Machinery and Tools

Distribution Statement : APPROVED FOR PUBLIC RELEASE