Pelton wheel [机] 帕尔登水轮机, 冲动水轮机
Pelton wheel \Pel"ton wheel\ (Mech.)
A form of impulse turbine or water wheel, consisting of a row
of double cup-shaped buckets arranged round the rim of a
wheel and actuated by one or more jets of water playing into
the cups at high velocity.
[Webster 1913 Suppl.]