External-leading type temperature and pressure measuring method for internal sealing device of aero-engine

The invention provides an external-leading type temperature and pressure measuring method for an internal sealing device of an aero-engine, which comprises the following steps of: 1, fixing a first stainless steel capillary pressure leading pipe outside the sealing device, and leading the first stai...

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Bibliographische Detailangaben
Hauptverfasser: TANG CHENGLIANG, LI ZHENG, ZHANG LI, TIAN JINGUANG, WU YING
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention provides an external-leading type temperature and pressure measuring method for an internal sealing device of an aero-engine, which comprises the following steps of: 1, fixing a first stainless steel capillary pressure leading pipe outside the sealing device, and leading the first stainless steel (1Cr18Ni9Ti) capillary pressure leading pipe out of the engine through a turbine supporthollow inner channel leading-out port; 2, placing a galvanic couple and a second stainless steel capillary pressure guide pipe side by side, fixing the galvanic couple and the second stainless steelcapillary pressure guide pipe in the sealing device, and leading the second stainless steel capillary pressure guide pipe and the galvanic couple out of the engine through a turbine supporting hollowinner channel; 3, connecting the first stainless steel capillary pressure guide pipe with a first transmitter, and connecting the second stainless steel capillary pressure guide pipe with a second transmitter; and 4, respective