Patent ID: 7484417

Claim:
A pressure sensor, comprising: a main body case; an electrical circuit housed inside the main body case to convert a detected pressure into electrical signals and send out the electrical signals; an electrical signal transmitting device including one end being in contact with the electrical circuit and the other end disposed outside the main body case to transmit the electrical signals sent out by the electrical circuit from the one end to the other end; and a biasing unit to bias the one end of the electrical signal transmitting device to the electrical circuit, wherein, the main body case is formed by joining a first case part and a second case part with each other, the electrical signal transmitting device is provided by penetrating the first case part, the electrical circuit is attached to the second case part, either one of the first case part or the second case part is provided with a protrusion, and either the other one of the first case part or the second case part is provided with a recess that is fitted to the protrusion.