Patent · US Expired

Endoscope holding apparatus for inspecting the interiors of a reciprocating engine and rotary engine having ignition plug holes, endoscope apparatus including the endoscope holding apparatus and inspecting method

US5335061A · kind A · utility

20Cited by
8References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1992
Grant dateAug 2, 1994
Priority date
Expiry dateApr 8, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01M15/10
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An apparatus for holding an insertable part of an endoscope positioned in a combustion chamber of a reciprocating engine or rotary engine having ignition plug holes to observe the interior of the combustion chamber and an inspecting method are provided with a holding apparatus for stationarily holding the insertable part in the combustion chamber through a spark plug hole provided in the engine to insert a spark plug for a spark plug ignition into the combustion chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.