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Gilman’s Patent Model of a Valve for an Oscillating Steam Engine – ca 1851 - Smithsonian Institution
Diagrams showing the complete design can be found in the patent document online (www.USPTO.gov). Location Currently not on view date made 1851 patent date 1851-01-01 ID Number ER.325617 accession ...
IEEE3d
Research on Testing Technology of Oil Free Compressor Air Valve of Rail Transit Air Source Device Based on PV Diagram - IEEE Xplore
PV diagram can reflect the real-time thermodynamic state of reciprocating compressor and show its ability to do work, which is an effective means to study the in-service performance of reciprocating ...