Abstract: An engine has a first camshaft having a power input portion at one end thereof and a second camshaft interlocked and connected with the first camshaft at one end portion thereof have axes which are parallel with each other and are rotatably supported on a cylinder head and in which a driven gear meshing with a drive gear provided at the other end portion of one of the first and second camshafts is provided on an auxiliary device drive shaft connecting to an auxiliary device mounted on an engine main body including the cylinder head, wherein an axis of the auxiliary device drive shaft is disposed between the first and second camshafts at a position closer to the cylinder head than a straight line connecting the axes of the two camshafts.

Abstract: An apparatus for measuring tension of piston rings includes a cylindrical support fixture having a circumferential groove formed therearound for receiving and holding a piston ring. A rigid base supports a plurality of components of the apparatus. A strong, thin band, formed from a material sufficiently strong to withstand repeated applications of pulling force thereto, is mounted to the base, and is held between two clamps. The band has a loop formed therein, for receiving the support fixture with a piston ring mounted therein. The apparatus also includes reciprocally movable structure for tightening the band around the support fixture, such as a slidably movable clamp assembly at one end of the band. The apparatus further includes mechanism for measuring tension on the band, and fluid activatable mechanism for vertically reciprocating a portion of the support fixture. In a preferred embodiment, the reciprocating mechanism is pneumatically activatable, such as by compressed air.

Abstract: A physical quantity control device includes first and second control elements having different sensitivities from one another, the first and second control elements providing outputs to change at least one physical quantity in response to first and second operational quantities individually input to the first and second control elements. First and second computing circuits are provided for computing the first and second operational quantities in response to a deviation between a predetermined target value and the physical quantity, wherein the physical quantity is feedback controlled to converge with the predetermined target value.

Abstract: In a slide roof system, guide rail stays are provided with engagement portions for securing a trough member, onto an inner frame, for receiving rain water which may drip from the slide roof panel. Since the guide rail stays are provided externally of the trough member which extends along the periphery of the opening of the inner frame, there are no sealing necessities for the trough member which may be made of an integral member made of synthetic resin. According to a preferred embodiment, a base member of a spring-loaded, retractable air deflector unit is provided with a longitudinal projection at its front end so as to be received by an engagement hole provided in a lateral piece extending from a part of the guide rail stays into the groove defined by a trough member, and an extension at its rear end which extends rearwardly over a rear end of the expanded portion of the trough member and fixedly secured to the inner frame by means of an engagement between a longitudinal slot and a threaded bolt and nut.