| 摘要 |
PURPOSE: An engine oil pressure measuring device is provided to prevent local damage by interference between a stopper and a diaphragm which repeating expansion by engine oil pressure. CONSTITUTION: A diaphragm(4) is installed to form an oil introducing space(3) in a housing(2) of an engine oil pressure measuring device(1). A stopper(6) is installed in upper side of the diaphragm having a space(5) to allow expansion of the diaphragm. A guide(10) is formed along the surface shape of the diaphragm when the diaphragm is expanded to support the diaphragm.
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