Abstract: An exemplary fuel cell ship is a fuel cell ship for propelling a hull by using electric power supplied from a fuel cell that generates electric power through an electrochemical reaction of fuel, and includes a plurality of compartments including an emission source of the fuel, in which the plurality of compartments include a tank compartment installed therein with a fuel tank that stores the fuel and a fuel cell compartment installed therein with the fuel cell. The tank compartment and the fuel cell compartment are each sealed except for a ventilation port through which the inside of the compartment is ventilated.

Abstract: A fuel cell ship includes a cooling system that cools a fuel cell. The cooling system includes a cooling medium tank that accommodates a cooling medium, a cooling medium circulation pipe that circulates the cooling medium between the fuel cell and the cooling medium tank, a cooling tank internal gas detector installed in the cooling medium tank, a cooling tank internal gas discharge pipe connected to the cooling medium tank, and a cooling tank internal gas discharge valve installed in the cooling tank internal gas discharge pipe. The fuel cell ship includes a control unit that controls opening and closing of the cooling tank internal gas discharge valve. The control unit opens the cooling tank internal gas discharge valve when the cooling tank internal gas detector detects that the concentration of the fuel gas in the cooling medium tank is equal to or greater than a specified value determined in advance.

Abstract: A fuel cell ship includes a propulsion device that generates propulsive force on a hull by electric power, an electric power supply unit that supplies the electric power to the propulsion device, and a degradation rate control unit that adjusts a degradation rate. The electric power supply unit includes a plurality of fuel cells that generate electric power by an electrochemical reaction of fuel and at least one storage battery.

Abstract: An exemplary fuel cell ship is a fuel cell ship for propelling a hull by using electric power supplied from a fuel cell that generates electric power through an electrochemical reaction of fuel, and includes a compartment including an emission source of the fuel and a first detector arranged in the compartment to detect the fuel. If the first detector detects that a concentration of the fuel in the compartment is equal to or greater than a first threshold value, a power supply to a non-explosion-proof device in the compartment is stopped.

Abstract: An exemplary fuel cell ship is a fuel cell ship for propelling a hull by using electric power supplied from a fuel cell that generates electric power through an electrochemical reaction of fuel, and includes a tank compartment installed therein with a fuel tank that stores the fuel. The tank compartment is provided below a deck of the hull and provided separately from other compartments.

Abstract: A fuel cell ship includes a storage battery compartment installed with a storage battery that supplies, to a propulsion device, electric power different from electric power by a fuel cell. The storage battery compartment is provided between a deck and a ship bottom portion of a hull.

Abstract: An exemplary fuel cell ship is a fuel cell ship for propelling a hull by using electric power supplied by a fuel cell that generates electric power through an electrochemical reaction of fuel, and includes at least one compartment including an emission source of the fuel, and a vent pipe through which the fuel in the compartment is released to outside of the hull. A release port of the vent pipe is located at a position higher than a cabin or a bridge provided on the hull.

Abstract: A fuel cell ship includes a fuel cell compartment in which a fuel cell is installed, a tank compartment in which a fuel tank is installed, a fuel supply pipe through which fuel is supplied from the fuel tank to the fuel cell, and a control unit. The fuel supply pipe includes at least two shutoff valves. Fuel gas detectors that detect a fuel gas being in a gaseous state of the fuel are each installed in the compartments. If at least one of the fuel gas detectors detects that a concentration of the fuel gas is equal to or greater than a predetermined standard value, the control unit controls to close a shutoff valve in a compartment out of the tank compartment and the fuel cell compartment, where the fuel gas detector having detected the concentration equal to or greater than the standard value is installed.

Abstract: A fuel cell ship includes a fuel cell that generates electric power by an electrochemical reaction of fuel, a propulsion device that generates propulsive force on a hull by electric power supplied from the fuel cell, a fuel supply pipe through which the fuel is supplied from a fuel tank housing the fuel to the fuel cell, a duct compartment that houses a part of the fuel supply pipe, a vent pipe that communicates with the duct compartment, and a fuel filling port that serves as an inlet for filling the fuel tank with the fuel. The fuel filling port is provided in the duct compartment.

Abstract: A fuel cell system including a PEFC stack in an inner space of a housing includes a sheathed heater, arranged in the inner space, for heating the inner space; the sheathed heater is placed on a bottom face side of the inner space of the housing, while a gap is provided between the bottom face and the sheathed heater; a mounting plate for mounting an inner device including the PEFC stack is provided in the inner space of the housing; and the sheathed heater is arranged between the mounting plate and the bottom face of the inner space of the housing.

Abstract: An apparatus for pulling up a strip of semiconductor crystal continuously from a crucible with a pair of endless belts has a position control device for automatically adjusting a transverse position of the strip of semiconductor crystal. The position control device is disposed in a path for pulling up the strip of semiconductor crystal from the crucible. The position control device comprises a pair of blocks disposed one on each side of the path transversely of the strip of semiconductor crystal and movable transversely of the strip of semiconductor crystal, and a pair of position sensors mounted respectively on the blocks for detecting respective edges of the strip of semiconductor crystal. The blocks have respective side faces for adjusting a direction in which the strip of semiconductor crystal is pulled up, by contacting the respective edges of the strip of semiconductor crystal.

Abstract: A sheet delivering mechanism guides sheets of different sizes fed from sheet feed units along a sheet guide passage including electrographic printing mechanism for printing, delivers printed sheets of different sizes to sheet receiving trays of corresponding sizes, respectively, by switching guide fingers between different guide positions according to the size of the printed sheet, so that the printed sheets are sorted by size and the printed sheets of the same size are delivered to the corresponding sheet receiving tray. The smaller sheet receiving trays for the smaller printed sheets are disposed above the larger sheet receiving trays for the larger printed sheets to facilitate taking out the printed sheets from the sheet receiving trays.

Abstract: The inventive electrophotographic apparatus includes a photosensitive member unit fitted detachably to the main unit of apparatus. On the photosensitive member unit, a photosensitive member, exposure device, and a connector for connecting the exposure device to a drive circuit incorporated in the main unit are mounted, so that the relative position between the photosensitive member and exposure device does not need to be adjusted even after a jam treatment or the like.

Abstract: The present invention relates to a sheet guide apparatus of the type that a recording sheet delivered by a rotary movement in peripheral contact between a fixing roller and a pressure roller drops by its own weight into an upper open-type sheet receiving unit disposed near a sheet delivery side of the pressure roller, and sheet delivery rollers or the like disposed on the sheet delivery side of a fixing apparatus are normally omitted, thereby permitting dimensional reduction of the apparatus and simplicity of its structure.

Abstract: The electrophotographic apparatus comprises a charging device disposed to confront a photosensitive member and a unit member fitted detachably inside the apparatus, with an ozone filter being mounted detachably in close proximity to the charging device inside the unit member. Ozone created by the charging device is dissolved promptly by the ozone filter by being led by a turning air stream produced by the rotation of the photosensitive member. The ozone filter can easily be replaced by taking the unit member out of the apparatus.

Abstract: An electrophotographic apparatus is provided with a self-scanning exposure device comprising a case having a shape substantially resembling the letter L, a linear light emitting head formed by linearly arranging a plurality of light emitting elements and disposed in one section of the case, and a printed wiring board having a driving circuit for driving the linear light emitting head and disposed in the other section of the case. The substantially L-shaped case containing the components of the self-scanning exposure device requires a space having a relatively small size with respect to the radial direction of photoconductive means for installation, so that the electrophotographic apparatus can be formed in a compart construction.

Abstract: An electrophotographic apparatus includes an image forming mechanism for forming an image on a paper sheet, and a magnetic cleaning system for magnetically cleaning a surface of an image carrier of the mechanism for each cycle of image formation. A mechanical cleaning system is provided for mechanically cleaning the image carrier. The mechanical cleaning system includes a blade movable between a contact position where it contacts with the surface of the carrier and an off position where it is kept apart from the surface. The blade is intermittently moved to the contact position, by a drive mechanism and a control unit, for predetermined operating times at predetermined time intervals. The blade is arranged to be manually operable through a lever attached to the blade.

Abstract: According to the present invention, an upper body which is relatively light in weight is connected to a lower body which contains a paper conveying path and a transfer portion disposed in the paper conveying path, and support portions formed in the lower body are brought into abutment with an image forming portion comprising an image carrier unit and a developing unit, the image carrier unit having an image carrier, and in this state the image forming portion is fixed by a retaining device.

Abstract: A paper supply device for an electrostatic photographic printer which can significantly reduce the area for installation of the printer. A housing of the printer includes a base and a cover connected for pivotal motion in a vertical plane relative to each other. A picture image forming means including a photosensitive member and so on is mounted on the base. A paper supply cassette is mounted on the cover. Paper is drawn out from the paper supply cassette by means of a paper supply roller and then guided to the picture image forming means by a paper guide which includes a guide plate mounted on the cover and another guide plate mounted on the base and disposed in opposing relationship to the guide plate on the cover. A gear wheel connected to the paper supply roll is meshed, when the cover is closed, with another driving gear wheel mounted on the base and connected to a motor.

Abstract: An electrophotographic apparatus includes an image forming mechanism for forming an image on a paper sheet, and a magnetic cleaning system for magnetically cleaning cleaning a surface of an image carrier of the mechanism for each cycle of image formation. A mechanical cleaning system is provided for mechanically cleaning the image carrier. The mechanical cleaning system includes a blade movable between a contact position where it contacts with the surface of the carrier and an off position where it is kept apart from the surface. The blade is intermittently moved to the contact position, by a drive mechanism and a control unit, for predetermined operating times at predetermined time intervals. The blade is arranged to be manually operable through a lever attached to the blade.