A device is provided to prevent the accidental introduction of an incorrect liquid into a tank, such as the introduction of gasoline into the fuel system of a diesel fuel container. The device discriminates between nozzle diameters, allowing entrance of nozzle diameters at or greater than a predetermined minimum diameter while inhibiting entrance of nozzles having diameters less than the predetermined minimum diameter. A closure mechanism prevents access to a fuel container interior and a releasable locking mechanism responsive to nozzle diameters allows the closure mechanism to open and close to allow access to the fuel container interior.

The present invention relates to a sealing device designed for sealing a fuel inlet opening of an aircraft engine and to an aircraft engine provided with such a sealing device. The invention further relates to a method for sealing a fuel inlet opening of an aircraft engine.

The straddle vehicle includes a front wheel, a rear wheel, at least one tank, an internal combustion engine, a seat, and a steering handle. The front wheel is a steering wheel. The rear wheel is a drive wheel arranged located rearward of the front wheel. The tank is configured to be filled with a gaseous fuel. The internal combustion engine generates power using gaseous fuel filled in the tank. The driver sits on the seat. The driver performs the steering operation to the steering handle. The center of gravity of the tank is located closer to the steering wheel with respect to the center of gravity of the internal combustion engine.

The straddle vehicle includes a front wheel, a rear wheel, at least one tank, an internal combustion engine, a seat, and a steering handle. The front wheel is a steering wheel. The rear wheel is a drive wheel arranged located rearward of the front wheel. The tank is configured to be filled with a gaseous fuel. The internal combustion engine generates power using gaseous fuel filled in the tank. The driver sits on the seat. The driver performs the steering operation to the steering handle. The center of gravity of the tank is located closer to the steering wheel with respect to the center of gravity of the internal combustion engine.

A refuse vehicle includes a chassis, a body coupled to the chassis and including a refuse container for receiving and storing refuse therein, and a fuel cell system coupled to at least one of the chassis or the body. The fuel cell system includes a plurality of primary components: a fuel storage volume, a fuel cell, an energy storage device, and a motor. The fuel cell system further includes a subsystem module including a housing for coupling at least two of the primary components to the chassis or the body.

A refuse vehicle includes a chassis, a body coupled to the chassis and including a refuse container for receiving and storing refuse therein, and a fuel cell system coupled to at least one of the chassis or the body. The fuel cell system includes a plurality of primary components: a fuel storage volume, a fuel cell, an energy storage device, and a motor. The fuel cell system further includes a subsystem module including a housing for coupling at least two of the primary components to the chassis or the body.

This vehicle lid device includes: a box provided on a vehicle-body deep side and having an opening for exposing a storage space to a vehicle-body outside; a lid to open/close between opening-closed/opened positions; and an open/close mechanism to open/close the lid between the closed/opened positions. The open/close mechanism includes a rotary gear rotatable about a rotation axis extending along a vehicle-body back surface on the vehicle-body deep side, a slide member provided on the vehicle-body deep side, meshed with the rotary gear, and slidable along the vehicle-body back surface through rotation of the rotary gear, a first guide mechanism to move the lid in a vehicle-body front-back direction relative to the box by the slide member sliding in a first region section, and a second guide mechanism to move the lid along the vehicle-body back surface relative to the box by the slide member sliding in a second region section.