TY - RPRT TI - Systems and methods that use harmonic drives for converting reciprocating axial motion to continuous rotary motion, helical drives for converting reciprocating rotary motion to reciprocating axial motion and combinations thereof for converting reciprocating rotary motion to continuous rotary motion AU - Raymond, David W. AU - Radigan, William T. PY - 2021 UR - https://www.osti.gov/biblio/1859936 ID - 1859936 ER -