Zwollo
Cris Ruis Zwollo, Enschede NL
Patent application number | Description | Published |
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20140130586 | PRESSURE-MEASURING PLUG FOR A COMBUSTION ENGINE - Disclosed is a pressure-measuring plug for a combustion engine. The pressure-measuring plug comprises a plug body and a ring-shaped sensing structure. The plug body comprises an external thread for mounting the plug body into a cylinder head of the combustion engine. The ring-shaped sensing structure comprises an outer section and an inner core. A proximal end of the plug body is attached to the outer section. The inner core comprises a through hole for receiving a rod-shaped element. The ring-shaped sensing structure allows the inner core to move relatively to the outer section along a cylinder axis of the ring-shaped sensing structure. The inner core further comprises an internal thread for mounting in the through hole a rod-shaped element with an external thread. | 05-15-2014 |
Cris Ruiz Zwollo, Enschede NL
Patent application number | Description | Published |
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20090320576 | Piezoresistive Pressure-Measuring Plug for a Combustion Engine - A piezoresistive pressure-measuring plug ( | 12-31-2009 |
20140130585 | PRESSURE-MEASURING PLUG FOR A COMBUSTION ENGINE - The invention relates to a pressure-measuring plug for a combustion engine comprising a plug body with a body tip section facing in use the combustion chamber and comprising a passage, a ring-shaped sensing structure comprising an outer section, an inner section and an annular diaphragm, the plug body being attached to the outer section, a circular membrane comprising an outer part coupled to the outer section and an inner part coupled to the inner section, the membrane provides a sealing protecting the annular diaphragm against the harsh environment in a combustion chamber; and, a plug chamber formed by the circular membrane and the body tip section wherein the passage of the body tip section provides an open connection between the plug chamber and the combustion chamber. The passage is part of a channel structure which functions as a soot filter. | 05-15-2014 |
Cristóbal Ruiz Zwollo, Enschede NL
Patent application number | Description | Published |
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20120227477 | Pressure-Measuring Plug for a Combustion Engine - A pressure-measuring plug comprises a plug body and a sensing structure. The plug body comprises a threaded plug body part comprising an external thread for screwing the plug body into a cylinder of the combustion engine, a sealing plug body part forming a tip of the plug and configured for providing a seal between the plug body and the combustion engine. The plug body further comprises a sensing body part positioned between the threaded plug body part and the sealing plug body part. The sensing body part is made from one piece and comprises a cylindrical body part; a moving part and the sensing structure. | 09-13-2012 |