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Ring seal for spherical exhaust-pipe joint
PATENTS
Patents Gasket assembly Applicant: Federal-Mogul Corporation, USA This gasket arrangement is designed for use as a replacement inlet manifold gasket on used vehicles. It is specifically intended for use with corroded or pitted flanges. A shim (36) is used to cover the damaged surface. An adhesive layer (14) is used to seal the shim to the damaged surface. The shim may be for the entire
Ring seal for spherical exhaust-pipe joint gasket surface, or a portion as required. The shim is typically 0.125 mm thick. A shim may be used on one or both flange faces as required. An additional application claimed is where the design flange separation is greater than the gasket thickness. Patent number: WO 2007/016205 Inventors: G. Rosenquist and G. Bold Publication date: 8 February 2007
Applicant: Best Corporation, Japan A ring seal for spherical exhaustpipe joints is described. The seal has a sliding, inner or outer, circumferential surface, enabling the spherical exhaust-pipe joint to move. The ring seal comprises an annular mesh structure made of a compression wire mesh and a heat-resistant sealing material. The sealing material is compressed
into the mesh so that the part of the mesh exposed on the sliding surface is coated with a deposit formed by plating. The deposit may contain at least one of fluororesin, boron nitride, molybdenum disulfide, or silicon carbide particles. Patent number: WO 2007/018173 Inventors: M. Miyamoto and M. Noda Publication date: 15 February 2007
Compliant seal structures for protected active metal anodes Applicant: Polyplus Battery Co, USA The purpose of this invention is to improve the practicability of using lithium as an alkali metal in re-chargeable batteries. Lithium provides greater energy per volume than the traditional battery standards, nickel and cadmium. Unfortunately, no rechargeable lithium metal batteries have made significant penetration in the market place. The failure of rechargeable lithium metal batteries is largely due to cell cycling problems. On repeated charge and discharge
cycles, lithium dendrites gradually grow out from the lithium metal electrode, through the electrolyte, and ultimately contact the positive electrode. This causes an internal short circuit in the battery. A protective compliant membrane is used to protect the anode from deleterious reaction with the environment external to the anode compartment, which may include aqueous, ambient moisture, and/or other materials corrosive to the active metal. Patent number: WO 2007/021717 Inventors: S. Visco et al. Publication date: 22 February 2007
Sliding valve with seal cured in place Applicant: Ham Baker Flow Control Ltd, UK A penstock valve used for the control of large scale water flow is described. The valve may be made from cast iron includes resilient sealing faces at different angles. Each sealing face is formed by pouring a liquid into a recess within the penstock frame. The liquid, e.g. a two-part epoxy, WO 2007/016205 describes a shim layer that is fixed by adhesive to a pitted surface to provide a satisfactory flange for an inlet manifold gasket.
Dryer seal Applicant: The Felters Company, USA This patent describes a door seal intended for tumble dryers. It has a needle punched fibrous layer and a further layer of closed cell foam.
Sealing Technology June 2007
The purpose is to provide a combination of flexibility and resilience with good sealing. Patent number: WO 2007/016570 Inventors: J. Burns et al. Publication date: 8 February 2007
cures so that surface of the liquid forms a flat, tough, resilient sealing face. The process is repeated on all sealing surfaces. These may include angled surfaces to create a wedge. The epoxy may be applied by gravity or under pressure. Patent number: WO 2007/020393 Inventor: J.R. Bartram Publication date: 22 February 2007
Seal for fuel cell Applicants: Ballard Power Systems Inc, Canada and Ballard Power Systems Corporation, USA This invention relates to a seal for a solid polymer electrolyte membrane fuel cell and fuel cell stack and more particularly, to fuel cell stacks employing over-pressure operation. The seal on one surface
has a protrusion that is arranged such that it sits between a pair of protrusions on the mating surface. A major factor is to achieve a seal that has sufficient compliance and maintain the membrane alignment in the stack. Patent number: WO 2007/022464 Inventors: S. Jung and R.H. Artibise Publication date: 22 February 2007
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Patents Gasket assembly Applicant: Federal-Mogul Corporation, USA This gasket arrangement is designed for use as a replacement inlet manifold gasket on used vehicles. It is specifically intended for use with corroded or pitted flanges. A shim (36) is used to cover the damaged surface. An adhesive layer (14) is used to seal the shim to the damaged surface. The shim may be for the entire
Ring seal for spherical exhaust-pipe joint gasket surface, or a portion as required. The shim is typically 0.125 mm thick. A shim may be used on one or both flange faces as required. An additional application claimed is where the design flange separation is greater than the gasket thickness. Patent number: WO 2007/016205 Inventors: G. Rosenquist and G. Bold Publication date: 8 February 2007
Applicant: Best Corporation, Japan A ring seal for spherical exhaustpipe joints is described. The seal has a sliding, inner or outer, circumferential surface, enabling the spherical exhaust-pipe joint to move. The ring seal comprises an annular mesh structure made of a compression wire mesh and a heat-resistant sealing material. The sealing material is compressed
into the mesh so that the part of the mesh exposed on the sliding surface is coated with a deposit formed by plating. The deposit may contain at least one of fluororesin, boron nitride, molybdenum disulfide, or silicon carbide particles. Patent number: WO 2007/018173 Inventors: M. Miyamoto and M. Noda Publication date: 15 February 2007
Compliant seal structures for protected active metal anodes Applicant: Polyplus Battery Co, USA The purpose of this invention is to improve the practicability of using lithium as an alkali metal in re-chargeable batteries. Lithium provides greater energy per volume than the traditional battery standards, nickel and cadmium. Unfortunately, no rechargeable lithium metal batteries have made significant penetration in the market place. The failure of rechargeable lithium metal batteries is largely due to cell cycling problems. On repeated charge and discharge
cycles, lithium dendrites gradually grow out from the lithium metal electrode, through the electrolyte, and ultimately contact the positive electrode. This causes an internal short circuit in the battery. A protective compliant membrane is used to protect the anode from deleterious reaction with the environment external to the anode compartment, which may include aqueous, ambient moisture, and/or other materials corrosive to the active metal. Patent number: WO 2007/021717 Inventors: S. Visco et al. Publication date: 22 February 2007
Sliding valve with seal cured in place Applicant: Ham Baker Flow Control Ltd, UK A penstock valve used for the control of large scale water flow is described. The valve may be made from cast iron includes resilient sealing faces at different angles. Each sealing face is formed by pouring a liquid into a recess within the penstock frame. The liquid, e.g. a two-part epoxy, WO 2007/016205 describes a shim layer that is fixed by adhesive to a pitted surface to provide a satisfactory flange for an inlet manifold gasket.
Dryer seal Applicant: The Felters Company, USA This patent describes a door seal intended for tumble dryers. It has a needle punched fibrous layer and a further layer of closed cell foam.
Sealing Technology June 2007
The purpose is to provide a combination of flexibility and resilience with good sealing. Patent number: WO 2007/016570 Inventors: J. Burns et al. Publication date: 8 February 2007
cures so that surface of the liquid forms a flat, tough, resilient sealing face. The process is repeated on all sealing surfaces. These may include angled surfaces to create a wedge. The epoxy may be applied by gravity or under pressure. Patent number: WO 2007/020393 Inventor: J.R. Bartram Publication date: 22 February 2007
Seal for fuel cell Applicants: Ballard Power Systems Inc, Canada and Ballard Power Systems Corporation, USA This invention relates to a seal for a solid polymer electrolyte membrane fuel cell and fuel cell stack and more particularly, to fuel cell stacks employing over-pressure operation. The seal on one surface
has a protrusion that is arranged such that it sits between a pair of protrusions on the mating surface. A major factor is to achieve a seal that has sufficient compliance and maintain the membrane alignment in the stack. Patent number: WO 2007/022464 Inventors: S. Jung and R.H. Artibise Publication date: 22 February 2007
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