Abstract: Provided is a gas sensor including a housing made of metal through which a sensor element is inserted and an outer cylinder made of metal welded to an outer periphery of the housing, in which generation of pinholes on a surface of a welded portion is suppressed. In a gas sensor according to one aspect of the present invention, a contact distance Lg, which is a length in an axial direction of an outer peripheral surface of a housing in contact with an inner peripheral surface of an outer cylinder on a rear end side with respect to a molten portion of the outer cylinder formed by welding, is equal to or less than a reference distance Lr.

Abstract: A rotating electrical machine such that positional deviation caused by a part tolerance can be absorbed in an electrical connection between a power conversion device and a rotating electrical machine main body, and size can be reduced without a structure becoming complex, is obtained. The rotating electrical machine is characterized by including a power terminal unit of the rotating electrical machine main body housed in a housing, the power conversion device fixed to the housing, and a multilayer bus bar connected to the power terminal unit of the rotating electrical machine main body as a power terminal of the power conversion device, wherein the multilayer bus bar has flexibility, and is bent by being connected to the power terminal unit.

Abstract: Provided is a power conversion device that has improved assembling workability and that realizes downsizing thereof. The power conversion device includes: an electrical component; a casing enclosing the electrical component and terminals connected to the electrical component and an outside, the casing having a plurality of opening portions in which the terminals are disposed; and a casing lid covering the opening portions. A shaft seal provided so as to be in contact with a side surface contiguous with a rim of an opening portion among the opening portions, and a surface seal provided so as to be in contact with a surface contiguous with a rim of an opening portion among the opening portions, are disposed so as to be in contact with the casing lid.

Abstract: Provided is a power conversion device, including: a semiconductor module including a semiconductor switching element; a heat sink configured to cool the semiconductor module; a spring member configured to press the semiconductor module onto the heat sink; a casing configured to accommodate the semiconductor module and the spring member; and a bridge-like structure configured to press the semiconductor module onto the heat sink through intermediation of the spring member when the casing is mounted to the heat sink.

Abstract: Provided is a power conversion device that has improved assembling workability and that realizes downsizing thereof. The power conversion device includes: an electrical component; a casing enclosing the electrical component and terminals connected to the electrical component and an outside, the casing having a plurality of opening portions in which the terminals are disposed; and a casing lid covering the opening portions. A shaft seal provided so as to be in contact with a side surface contiguous with a rim of an opening portion among the opening portions, and a surface seal provided so as to be in contact with a surface contiguous with a rim of an opening portion among the opening portions, are disposed so as to be in contact with the casing lid.

Abstract: A rotating electrical machine such that positional deviation caused by a part tolerance can be absorbed in an electrical connection between a power conversion device and a rotating electrical machine main body, and size can be reduced without a structure becoming complex, is obtained. The rotating electrical machine is characterized by including a power terminal unit of the rotating electrical machine main body housed in a housing, the power conversion device fixed to the housing, and a multilayer bus bar connected to the power terminal unit of the rotating electrical machine main body as a power terminal of the power conversion device, wherein the multilayer bus bar has flexibility, and is bent by being connected to the power terminal unit.

Abstract: Provided is an electric device that includes a connector holder for positioning a connector relative to a control board and fixing a harness. In the electric device, a board-in connector for wire-to-board connection is disposed at an end of a harness for electrical connection, and terminals of the board-in connector are soldered and fixed to terminals in a control board. The electric device includes a connector holder fixed to a housing together with the control board. The connector holder includes a fixation portion for fixing the board-in connector to the connector holder, and a holding portion for holding and fixing the harness.

Abstract: Provided is an electric device that includes a connector holder for positioning a connector relative to a control board and fixing a harness. In the electric device, a board-in connector for wire-to-board connection is disposed at an end of a harness for electrical connection, and terminals of the board-in connector are soldered and fixed to terminals in a control board. The electric device includes a connector holder fixed to a housing together with the control board. The connector holder includes a fixation portion for fixing the board-in connector to the connector holder, and a holding portion for holding and fixing the harness.

Abstract: Provided is a power conversion device, including: a semiconductor module including a semiconductor switching element; a heat sink configured to cool the semiconductor module; a spring member configured to press the semiconductor module onto the heat sink; a casing configured to accommodate the semiconductor module and the spring member; and a bridge-like structure configured to press the semiconductor module onto the heat sink through intermediation of the spring member when the casing is mounted to the heat sink.