Automatic control system
United States Patent Bacchi Apr. 1, 1975 [54] AUTOMATIC CONTROL SYSTEM 3,659,566 5/1972 Zucca 123/41 R Inventor: y M. Bacchi, Oakland Calif 3,664,123 5/1972 Zucca l23/l79 F [73] Assignee: De Lavel Turbine California, I nc., Primary ExaminerLaurence M. Goodridge Oakland, Calif. Assistant ExaminerCort Flint [22] Filed: Oct. 10, 1972 Attorney, Agent, or Firm-Lothrop &amp; West 1 1 pp 9191295367 57 ABSTRACT Related US. Application Data An internal combustion engine drives a reciprocating [62] Division f scr 67540 Aug 1970 PM compressor installed with various flow control valves 3 753 2 in a gas pipeline. A pneumatic system using logic elements and control boards controls the starting, run- 52 us. 01 123/179 F, 123/41 g and pp of the engine and compressor and [51] Int. Cl. F0li 13/02 the Working of the Valves either from a Point at the [58] Field of Search 123/179, 41 site or from a remote P h There are Several Choices of the relative amount of control by an attendant or [56 References Ci automatically and including automatic imposition of UNITED STATES PATENTS load and response to variation in load and also autod 3,282,259 11/1966 Moor 123/41 R mane response to anomalous or angerous condmons 3,307,349 3/1967 Brelen 123/179 F 4 Claims, 60 Drawing Figures In Jam? PATENTED 9 5 sum 01% 37 Q N\ Q\ N m w a N .QME whim #Qkm .Qmim \NQ .Rwkm KN? bank .m m m kwmlw hm twain kw) kmmtm 7,874,356 SHEET lSGF 37 jar-15mm APR 119? SHEET 168F137 FATENTED APR 1 19. 5  
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