Ngk Spark Plug Company, Limited

Shin Yoshida

Seiji Oya

Hiroshi Inagaki

Kentaro Mori

Shigeki Mori

Takeshi Kawai

Nobuo Furuta

Yuya Nakayama

Yuko Yamada

In order to compensate for variation in output of sensor elements, there is provided a compensating resistorthat has a resistance value reflected by correction information. The resistoris connected in parallel with a VS cellthrough paired electrode leadsandand paired electrode padsand. The paired electrode leadsandare placed at a position electrically isolated from solid electrolyte substratesand

Gas sensor element, gas sensor and control system of gas sensor

A gas sensor including a gas sensor element, and an inner member surrounding the gas sensor element. The gas sensor element has a detection element having therein a space to which a gas to be measured is introduced, and a heater laminated on the detection element. The detection element includes a first oxygen pumping cell for pumping oxygen into or out of the space, an oxygen concentration detection cell, a detection electrode and a reference electrode. In side faces of the detection element along a laminating direction, a region from a front end of the inner member to a part of the detection electrode along a longitudinal direction is covered with a glass coat having a glass transition point of over 700&#xb0; C. Further the detection electrode is controlled at a temperature range from 600&#xb0; C. or more to not more than the glass transition point of the glass coat.

Gas-sensor

A laminated gas sensor element extending in a longitudinal direction and having a detection part including a plate-shaped element body which has a heater layer having an embedded resistance heating body and a detection layer laminated to the heater layer and having a vertical surface along a lamination direction and a horizontal surface perpendicular to the lamination direction; and a porous protective layer coating the vertical surface and the horizontal surface of the element body constituting the detection part, wherein a thickness of the protective layer formed on the vertical surface is thicker than a thickness of the protective layer formed on the horizontal surface.

Laminated gas sensor element and gas sensor

Growing community of inventors

Aichi, Japan

Shin Yoshida