Multi-position cylinder apparatus and control therefor
United States Patent 3187637
US Patent References:
Selective signaling system and apparatus
- - 2010158

Cylinder adder
- - 2980063

Digital regulator valve
- - 3072146


Inventors:
Edmund, John R.
Publication Date:
06/08/1965
View Patent Images:
Download PDF 3187637 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
WESTINGHOUSE AIR BRAKE CO
Primary Class:
91/167R
Other Classes:
92/62, 91/448, 91/443, 91/173, 91/442
International Classes:
F15B11/18; F15B21/08; F15B11/00; F15B21/00