Abstract: A repair kit and associated method for repairing an automotive coolant pipe for fluid-conducting within an engine block of an engine includes at least a repair stent with a flared end, sealant and instructions for performing the method. The method includes draining coolant from the engine, removing the water pump from the engine without removing the timing chain cover of the engine, inserting the repair stent including a sealant through the coolant passage, wherein the coolant passage extends through the timing chain cover into the engine, re-assembling the water pump to the engine and adding coolant to the engine.

Abstract: A covering system that covers an end pipe of a chimney system. A portion of the end pipe protrudes from the roof of a house or building where the chimney system is located. The system comprises of at least two base supports that sit on the roof. A channel spanning around the end pipe of the chimney system that protrudes from the roof. The base supports are attached at the base of the channel. The base has a protruding section whose dimensions are larger than the channel. A collar covering having a first and a second opening. The collar covers the protruding section of the base by its first opening and receives the channel at its second opening. A crown top base that slides inside of the channel from the top.

Abstract: A sealing ring which, when viewed in cross section, is formed in the shape of a 7, has a first axial leg and a sealing leg that has a sealing lip, the sealing leg being connected to a first end face of the axial leg by means of a joint, and has a clamping element for stabilizing the sealing leg in the radial direction. The clamping element is annular and, when viewed in cross section, is formed by a 7-shaped spring, and has a second axial leg and a stabilizing leg, the second axial leg being connected to the first axial leg and the stabilizing leg being connected to the sealing leg.

Abstract: Lip type rotary seal assemblies are generally discussed herein and particularly those with double directional sealing, wherein the tip of the two sealing lips point in opposite directions. A locking ring is incorporated to retain the seal assembly in the housing. The seal is configure to provide different sealing forces at each end to provide flexibility and enhanced performance where two different conditions on each side of the seal can exist, such as different sealing medium, fluid viscosity, pressure, and rotary speed.

Abstract: A universal thread protector is provided for protecting either of the pin and box ends of a pipe. The thread protector has a cap with an open end the closed end. A seal element is positioned within and adjacent to the open end of the cap. A ring member is positioned against the seal element between the seal element and the closed end of the cap. Bolts are provided having an end positioned against the ring member. The bolts are movable from an unactuated position to an actuated position wherein the bolt applies a force against the ring member when in the actuated position. As such, the ring member pushes against the seal element so as to deform or compress the seal element against the outer diameter of the pipe positioned within the cap. A method of protecting the threaded ends of pipe is also disclosed.

Abstract: A gasket for sealing a compartment between a fixed and a roto-translatory member. The gasket has a metal support ring adapted to be connected to the fixed member; first sealing means in a position adjacent to a first ambient containing lubricant and defining two first annular sealing lips axially spaced to cooperate with the roto-translatory member and to counter the passage of lubricant/external contaminants between the first ambient and a second ambient connected with the outside; and second sealing means axially interposed between the first sealing means and the second ambient and defining a second sealing lip axially spaced from the first annular sealing lips and adapted to cooperate with the roto-translatory member to counter the passage of external contaminants towards the first sealing lips; the first sealing means comprise two first distinct sealing rings, axially arranged side by side and respectively carrying a relative first sealing lip.

Abstract: A solar heat collecting device of the flat panel type, a process for its manufacture and parts thereof, made of extruded profiles in particular of aluminum or aluminum alloys. The device comprises a casing accommodating a heat collector assembly comprising a plurality of elongate extruded heat collector bodies, side by side, each having a tube co-axial with its axis of extrusion, flanked on each of its opposite sides integrally by an extruded web and further comprising a manifold at each end to which the respective tube ends are sealingly and communicatingly brazed. The edges of the adjoining webs of adjoining elongate bodies overlap slightly but are movable free of mechanical constraint or mutual attachment in relation to one another. Together the elongate bodies present the incoming solar radiation with a substantially plane uninterrupted area for absorption.

Abstract: A pipe boot assembly is provided that provides a base, first and second sleeves, and a cap. The first sleeve is attached to the base and the second sleeve is movable with respect to the first sleeve. The cap is attached to the second sleeve and has an opening disposed therein.

Abstract: A system and method are provided for simple yet reliable replacement and sealing of existing vent pipe penetrations through an external surface of a structure such as a building's roof. The system and method replace a portion of an existing vent pipe with a sealed replacement pipe extension. The replacement pipe extension and remaining portion of the existing vent pipe are preferably combined with a pipe flashing structure to provide a sealed replacement pipe solution capable of withstanding torsional and side loads encountered in rooftop applications. The system and method enable replacement and sealing tasks quickly and at low cost.

Abstract: In order to produce a line element lead-through that is resistant to fire and flue gas for simple installation into one or more paneled drywalls, whereby the line element lead-through can be used in a matching component opening and is also sealed against fire and flue gas when empty, a line element lead-through is suggested with a molded element closed on at least one side of an elastically deformable intumescent material as a sleeve, especially formed as a truncated cone or a cylinder, with the criterion that the opening cross section of the sleeve corresponds to maximum 60% of the cross section of the component pass-through. Embedded within the molded element is a support structure.

Abstract: In order to produce a line element lead-through that is resistant to fire and flue gas for simple installation into one or more paneled drywalls, whereby the line element lead-through can be used in a matching component opening and is also sealed against fire and flue gas when empty, a line element lead-through is suggested with a molded element closed on at least one side of an elastically deformable intumescent material as a sleeve, especially formed as a truncated cone or a cylinder, with the criterion that the opening cross section of the sleeve corresponds to maximum 60% of the cross section of the component pass-through.

Abstract: A wall thimble for use with a heating appliance. Dual functionality is provided in a single wall thimble device by having a vent path for exhausting combustion by-products, and a separate air inlet path to draw in outside combustion air for use by the heating appliance. The wall thimble is formed as a two-part housing such that a first portion can be inserted into a second portion. When an exhaust pipe is routed through end plates on the housing portions, a closed region is formed between the exhaust pipe and the housing portions. A first air vent is formed in the first or outside portion to draw combustion air into the closed region from outside. A second air vent is formed in the second or inside portion to route the combustion air from the closed region to an opening in the housing where a combustion air inlet pipe is connected.

Abstract: An improved wall thimble is useful as part of a venting apparatus for a direct vent heating appliance. Dual functionality is provided in a single wall thimble device by having a vent path for exhausting combustion by-products, and a separate air inlet path to draw in outside combustion air for use by the heating appliance. The wall thimble is formed as a two-part housing such that a first cylindrical portion can be inserted into a second cylindrical portion. When a smaller diameter exhaust pipe is routed through the cylindrical portions, an annular region is formed between the exhaust pipe and the cylindrical portions. A first air vent is formed in the first cylindrical portion to draw combustion air into the annular region from outside. A second air vent is formed in the second cylindrical portion to route the combustion air from the annular region to an opening in the housing where a combustion air inlet pipe is connected.

Abstract: An exhaust flue support apparatus has an elongate flue mounting plate incorporating at least one longitudinal strengthening bead. The mounting plate engages, by break-off tabs, a securing strap, a flange plate, and a centering plate. The mounting plate, securing strap, flange plate and centering plate are made from a single piece of sheet metal.

Abstract: A modular flue adapter system and method is described to accommodate a conduit for exhaust between a firebox and a firebox flue, wherein the firebox is inserted into a firebox opening, by providing an offset distance and/or direction between the exhaust of the firebox and the firebox flue.

Abstract: A flue shield comprising a cylindrical body, a first portion and second portion connected at each end of the cylindrical body, each first portion and second portion comprising projections extending radially inward of the cylindrical body, the projections for each of the first portion and second portion being biased in a predetermined axial direction with respect to the cylindrical body, the projections pressingly engagable and slidingly engagable with a pipe, and the first portion and second portion each describing a bore having an inside diameter less than a cylindrical body diameter whereby a space is created between the pipe and the cylindrical body.

Abstract: A flue securing apparatus providing a planar metal plate having a flue hole therein and a tab of the metal plate extensive within the flue hole. The tab having a locating hole positioned at a juncture of the tab and one edge of the flue hole. A sheet metal strap is coplanar with the plate and joined thereto by mutual sheet metal attachments. Grooves positioned at the edged of the plate define comers of a roof hole so that a flue is positionable according to code. A step-by-step method is taught of using the plate as a template for cutting the roof hole and for securing a venting flue in place within the plate.

Abstract: A lightweight, portable cooking unit for use in tents is disclosed. It is designed for use in the mountains, where lightweight equipment is essential. The unit will fit in a backpack when disassembled. The heating chamber has a lower burner unit to hold a common mountain stove burner such as those developed by MOUNTAIN SAFETY RESEARCH. The heating chamber vents to a stack that transmits the combustion gases and moisture safely outside the tent by means of a tent roof jack that protects the fabric from the heat. The stack is also fed with ambient air that mixes with the combustion to cool the exhaust to safe levels. The device can be disassembled and stored in a compact package.

Abstract: Removable filters tailored to pollution by different cookers under a hood, have locating punched out notches on locator pins located on a removable drain trough according to a pattern whereby, after the filters are removed for cleaning, they must be re-installed in their original locations. A field-installed outlet collar assembly includes a flanged one-piece inner collar received up through a field-cut opening in the hood top. Two tapered half frames are hammered in laterally, wedging between the top of the hood and the top flange of the collar, sealing the bottom flange of the collar to a gasket sealed to the underside of the hood top. An access door assembly is similarly field-installed. Exhaust duct sections have joint features snapped together and interlocking.Fire damper assemblies inside the exhaust and make-up air plenums include horizontally slidable panels positionable in a maximized standardized hood to reduce its flow rates to match specific cooking fume ventilating requirements.

Abstract: An apparatus for sealing an opening, or the like, in a fire partition through which an existing combustible conduit extends includes a first enclosure capable of being fastened to the fire partition on one side of the conduit opening and having a first recess therein. A second non-combustible enclosure capable of being fastened to the fire partition on a side of the conduit opening opposite the first enclosure, has a second recess therein and is hingedly connected to the first non-combustible enclosure. The first and second enclosures lie in a common plane and are operable, through the use of the hinged connection, to be spread apart for installation over the existing combustible conduit and can be closed together such that a recess-formed opening is defined about the conduit by the first and second recesses.

Abstract: A through the wall insulated flue for low temperature venting of radiant heat from igniting combustibles produced by wood pellet, kerosene, fuel oil appliances such as stoves and hot water heaters. The flue assembly includes a protective metal tube, housing a ceramic insulated sleeve that is adapted to surround a flue pipe connected to the appliance, with the tube and insulating sleeve being of a length to be journalled through the wall for venting of the radiant heat. An inside wall plate and a complimentary outside wall plate provide necessary receiving collars for the opposite ends of the tube and insulating sleeve and function to correctly position them from internal wall structures.

Abstract: A water heater including a water tight tank having a tank wall and top and bottom head members welded thereto. A combustion chamber and burner are mounted beneath the bottom head. A pair of concentrically arranged jacket members are mounted around the tank wall with the space between the jacket members serving as a flow passageway through which combustion air flows downwardly to the combustion chamber. A pair of concentrically arranged tube assemblies are connected to the top of the heater. The inside tube assemblies carry products of combustion from the heater and the space between the inside tube assemblies and the outside tube assemblies serve as a flow passageway through which combustion air flows to the flow passageway space between the jacket members.

Abstract: A portable heating system operable in three modes; an under-blanket heating mode, a tent heating mode, and a food heating mode. In the under-blanket heating mode, one or more users cover themselves and the basic heater (2) with a light foil-type blanket (68). Air, warmed by the heater, spreads under the blanket thereby enveloping the users so that they are comfortably warm. An adjustable canopy frame (40), in concert with a heat guard (4) enclosing a heat source (6), promotes gaseous circulation under the blanket without hazard. A thermostat (17) automatically maintains the temperature at a safe level. In a tent heating mode, the invention includes an exhaust guide for guiding combustion gases to the outside of a tent via the tent entry. Means are provided for drawing air from outside the tent into the heater for supporting combustion. Means are also provided for the system to adapt to rough or uneven terrain for high stability.

Abstract: A furnace roof jack is provided with a pivoting flashing plate which can be attached to pitched roofs having various pitch angles. The roof jack includes an elongated generally cylindrical tube. An enlarged portion of the tube has a generally spherical outer surface. A flashing plate is provided with a hole having a diameter approximately the same as the diameter of the spherical surface. The flashing plate is pivotally attached to the tube on an axis which extends perpendicularly to the axis of the tube along a diameter of the spherical surface.

Abstract: A portable heater comprising a double-wall vessel which forms a combustion chamber and encloses a suitable fuel. Air passages provide an airflow through the vessel for supporting combustion. Also included are endless conduits which entrap displaced fuel to prevent it from escaping from the heater through the air passages. Thus, fuel is prevented from escaping from the heater in all positions of the same in the event that the heater is dropped or otherwise upset. A set of cooling fins, encircling a fuel holder, cool the fuel to help maintain an even burn rate. The heater further includes an adjustable flame attenuator for selective heat control. At a low heat setting the invention may be used as a personal or close contact heater wherein an outer wall serves as a guard for preventing contact burns. A modified embodiment of the heater, for use in a tent, includes an air intake tube and a fuel for exchanging gases with the outside of the tent.

Abstract: There is provided a non-flammable pass-through unit for installation in new construction or as a substitute for a removed section of existing flammable wall in a building for the purpose of allowing the safe installation of a heating appliance, such as a wood or coal stove, and which will reduce the required clearances from a heating appliance to the wall in registry with a flue opening in an existing chimney located behind the wall. The unit comprises a frame composed of non-flammable vertical and horizontal galvanized sheet metal mambers. The metal frame defines an opening which, when the frame is installed, is centered on the axis of the chimney flue opening. A heat resistant, non-flammable tunnel is fitted into the opening and is butted against the chimney.

Abstract: An expansion seal assembly in which a corrugated plate extends between two members that are subjected to differential thermal expansion and contraction. An expansion joint connects the upper and lower edges of the corrugated plate with the two members respectively to accommodate differential thermal expansion and contraction between two members in an axial direction. The expansion joint acts as hinges to accommodate the lateral movement.

Abstract: A vent pipe extension and flashing apparatus for extending a vent pipe into a chimney including a generally vertical wall having an interior surface, an exterior surface, and an opening through the wall. The apparatus comprises a threaded sheet metal pipe including helical threads extending along substantially the entire length of the outer surface of the threaded pipe, the threaded pipe having opposite first and second ends, the first end being adapted to extend through the opening in the chimney wall, the second end being adapted to be connected to a vent pipe. The apparatus also comprises restraining means for engaging the interior surface of the wall to prevent the threaded pipe from being pulled back through the opening, the restraining means being supported by the first end of the threaded pipe and being compressible to allow the first end of the threaded pipe to be pushed through the opening in the wall.

Abstract: A coupling assembly for connecting a flue gas pipe with an inlet duct of a chimney includes a tubular compensator having a first end secured to the flue gas pipe and a second end oriented towards the inlet duct and having a radially projecting flange. The chimney part which surrounds the inlet duct has a planar face provided with a groove spacedly surrounding the inlet duct. An endless bead forming part of the flange projects from the frontal face thereof and is received in the groove. There are further provided screw connections anchored in the chimney externally of the compensator flange and pressing members operatively connected to the screw connections and being pressed thereby against the flange to clamp the flange against the planar chimney face. The pressing members extend over and across the bead. A rubber-elastic adhesive layer is situated between the flange and the planar face of the chimney and is glued to the flange, the bead, the planar face and the groove.

Abstract: An insulated flue protective assembly for insertion into a wall opening through which the chimney flue passes. The assembly comprises a square metal base unit having a center opening defined by a ring forming base flange. An insulated thimble is placed within the center opening defined by the ring, and is of a length so as to project to either side of the base unit. An elongated metal cover having at one end an annular flange forming a collar positionable about the ring of the base and which is adapted to receive an insulated sleeve, one end of which has mating contact with one end of the insulated thimble, thus insulating the chimney flue.

Abstract: A fireplace insert and method are disclosed which include L-shaped brackets mounted to the side and back walls of a fireplace, S-shaped brackets received thereon and also receiving a cover plate substantially enclosing the flue of the fireplace. The cover plate is also secured to the lintel and includes an aperture for reception of the flue of a stove received within the fireplace.

Abstract: A fire extinguishing attachment including a bracket for mounting on a stove stack and having a tubular guide therethrough. The tubular guide is an elbow tube having an inner end within the stack directed towards the chimney flue and an outer end outside the stack adapted to receive the nozzle of a powder type fire extinguisher. When a chimney fire occurs, the extinguisher is placed over the outer end of the guide end and activated. The powdered material is directed, by the guide, into the stack and up the chimney to the location of the fire thereby extinguishing the fire. The guide and bracket is preferably downstream of the damper in the same section of stack to be close to the chimney, and for unobstructed flow.

Abstract: An insulating apparatus for mounting within a wall opening and for receiving therein a flue thimble. The apparatus includes a double-walled, cylindrical body member within which the flue thimble is received. The body member defines an annular insulating chamber closed at one end and open at the other to permit air circulation therethrough. A flange extends ouwardly from one end of the body member and is sized to cover the opening of the wall. A cover plate is mounted over the body member and includes a central opening for reception of a vent pipe therein. The cover plate also includes apertures which overlie the open end of the annular chamber to provide air access thereto.