Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL55898CpublicationCriticalpatent/NL55898C/xx
G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
B—PERFORMING OPERATIONS; TRANSPORTING
B61—RAILWAYS
B61C—LOCOMOTIVES; MOTOR RAILCARS
B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
B61C9/08—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines
B61C9/22—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines pneumatic
F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
F01B2250/00—Accessories of steam engines; Arrangements or control devices of piston pumps, compressors without crank shafts or condensors for so far as they influence the functioning of the engines
F01B2250/002—Valves, brakes, control or safety devices for steam engines