摘要:
A method is disclosed for forming a seal between air ducts and/or terminal units thereof, the method comprising the step of extruding a caulking compound about the perimeter of the air duct to form a continuous seal (4). The invention is implemented by way of extruding the caulking compound by at least two layers so that a second layer (4′) is extruded radially over the first layer (4″).
摘要:
A method of erecting the steel frame of a building, the frame comprising horizontal beams (17) and vertical pillars (4, 14), in which method the parts of the frame (1, 14, 17) are taken into place by means of at least one lifting apparatus, at least one of the pillars (14) of the frame is taken into place by means of a rigid boom system (2) by moving with a grabber (3) attached to the boom system (2) and rotated into correct installation position by rotating the gripping means (3) of the grabber about at least two axes of rotation. The lifting apparatus can preferably be based on a forest harvester and it can transport with it the supplies needed for manufacturing and assembling the frame.
摘要:
Method for cooling supply air in the cooling system of a building, in which method the cooling water in the main circulation circuit (2) is cooled with a cooling compressor (1), and in which method cooling water is taken to the cooling radiator (3) from the main circulation circuit (2) for cooling the supply air, and in which method cooling water is taken to the room unit, such as to the chilled beam network (4) from the main circulation circuit (2) and mixed to the desired temperature, e.g. approx. 15 °C. The invention is implemented such that in an operating situation the cooling water of the main circulation circuit (2) is cooled to a temperature of over 7 °C, preferably to a temperature of approx. 12 °C, and such that in an exceptional situation such as when the supply air is humid, the temperature of the room unit, such as of the chilled beam network (4), is raised higher to prevent condensation and at the same time the temperature of the water of the main circulation circuit (2) is reduced lower.
摘要:
An annular fire barrier flange (3) which is mountable close to the pass-through point of a fire damper on a wall or ceiling structure, where it is adapted about the duct sleeve element (2) of the fire barrier to receive heat conducted along the duct element and further conduct the heat to the wall structure (1 ) wherein or whereon it is mounted, and which flange (3) has placed thereon a tightening band (4) with a width substantially equal to the thickness of the flange and a length extending substantially about the perimeter of the flange. The invention is implemented by way of placing an intumescent seal (8) between the fire barrier flange (3) and the ventilation duct sleeve (2) so as to substantially encircle the entire inner perimeter of the ventilation duct sleeve.
摘要:
A seal mechanism for a gate valve (3) operable between a solid fuel feed system (1) and a combustion space (3), such as a gas generator combustion chamber, the fuel feed system comprising a hopper (1) having at least its bottom end portion shaped substantially cylindrical, whereby gate valve (3) controls the discharge opening of the hopper bottom end, and the open/closed positions of the gate valve being controllable by means of a gate valve actuator mechanism (5, 6) in such a fashion that a seal is provided between the bottom end (4) of hopper (1) and gate valve plate (3). The invention is implemented by way of providing the lower edge of hopper (1) with a sealing member (4) whose edge facing the gate valve plate (3) is annular and is sharpened substantially over its entire circumferential length.
摘要:
A horse saddle comprising at least a saddle tree (1) and padding panels (2) fixed on both undersides of the saddle tree so as to face the horse's flanks, The invention is implemented so that the panel (2) is dimensioned and shaped so that its front edge does (3) not overextend the horse's shoulder (6) when the saddle is placed on the horseback.
摘要:
A lure, such as a balance jig etc., in order to make the balance jig swim and show its flanks like an injured fish, the balance jig is provided in accordance with the invention with a tail (7), one wing (8) of which is larger than the other wing (9).
摘要:
A fire damper duct sleeve (2) having its perimeter over a relatively narrow annular area provided with a perforation (6) which serves to retard thermal conduction in the duct sleeve element and which perforation is sealed to eliminate air leaks. The invention is implemented by way of having the perforation sealed by a flexible refractory material (7).
摘要:
A circular fire barrier flange (3) which is mountable close to the pass-through point of a fire damper on a wall or ceiling structure, where it is adapted about the duct sleeve element (2) of the fire barrier to receive heat conducted along the duct element and further conduct the heat to the wall structure wherein or whereon it is mounted, and which flange (3) has placed thereon a tightening band (4) with a width substantially equal to the thickness of the barrier flange and a length extending substantially about the perimeter of the barrier flange. The invention is implemented such that the fire barrier flange (3) comprises two or more circumferentially adjoining members having an intumescent seal material placed at the joints thereof and that a protective plate (6) is placed over each joint to protect the intumescent seal material under fire.
摘要:
A gas generator comprising a substantially cylindrical gasifier vessel (1), a grate (2) on which solid fuel (8) being combusted is fed, a gasifier throat (6) forming in the gasifier vessel (1) a portion with a cross section narrower than that of the other portion of the gasifier, and gasification air nozzles (4) adapted above the gasifier throat (6) to the gasifier vessel (1). The invention is implemented by way of adapting at the gasifier throat (6), substantially concentric with the center axis of the cylindrical gasifier vessel (1), an upward tapering control element (5) of the gasifier throat cross-sectional area.