Abstract

There is described a lid assembly (1) for a prismatic battery cell having a casing (2) which internally defines an inner compartment (3) and comprising: a base plate (4) configured to close the inner compartment (3); a current collector (5) configured to be electrically connected to a respective electrode of the battery cell; a terminal member (6) electrically connected with the current collector (5); and a sealing assembly (12) configured to define a fluid-tight seal between the inner compartment (3) and an outer environment; the sealing assembly (12) comprises: a first sealing member (13) interposed between the current collector (5) and the base plate (4) for fluid-tightly preventing an outflow of said electrolytic material from the inner compartment (3); and a second sealing member (14) interposed between the terminal member (6) and the base plate (4) for fluid-tightly preventing an inflow of an external fluid from the outer environment towards the inner compartment (3).

IPC Classes  ?

• H01M 50/103 - Primary casingsJackets or wrappings characterised by their shape or physical structure prismatic or rectangular
• H01M 50/15 - Lids or covers characterised by their shape for prismatic or rectangular cells
• H01M 50/176 - Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
• H01M 50/186 - Sealing members characterised by the disposition of the sealing members
• H01M 50/188 - Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
• H01M 50/193 - Organic material
• H01M 50/553 - Terminals adapted for prismatic, pouch or rectangular cells

Abstract

There is described a closure assembly (6) configured to be coupled to a battery pack (2) of a vehicle (1), in particular an electric or hybrid vehicle (1), for closing and sealing an opening (5) obtained in an outer casing (3) of the battery pack (2), the closure assembly (6) comprises: a support frame (7) made of rigid material and configured to be fixed on the casing (3) at the opening (5); a lid member (8) made of elastomeric material and coupled to the support frame (7) so as to cover, close and seal the opening (5); the lid member (8) includes a first surface (8a) configured to face the opening (5), when the support frame (7) is fixed on the casing (3), and a second surface (8b) opposite the first surface (8a); the lid member (8) is releasably coupled to the support frame (7) and is configured to detach from the support frame (7) by means of a predetermined pressure exerted onto the second surface (8b), thereby allowing access into the casing (3) through the opening (5)

IPC Classes  ?

• H01M 50/271 - Lids or covers for the racks or secondary casings
• B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
• B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
• H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
• H01M 50/273 - Lids or covers for the racks or secondary casings characterised by the material
• H01M 50/276 - Inorganic material
• H01M 50/278 - Organic material
• A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
• A62C 3/07 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles

Abstract

There is described a current collector (5) for a terminal group of a lid assembly (1) configured to fluid-tightly close an inner compartment (3) of a battery cell, the current collector (5) being configured to be electrically connected to an electrode of the battery cell for collecting electrical energy therefrom and transferring the electrical energy to a terminal (6) of said terminal group, the current collector (5) comprising a base body (5a) and a pin member (5b) fixed to the base body (5a) and protruding from a main wall (5c) of the base body (5a); the base body (5a) includes a recess (10) obtained on the main wall (5c), and the pin member (5b) comprises a main portion (12) for electrically coupling with the terminal (6) and a coupling portion (13) which engages and occupies the recess (10) to determine a rigid coupling of the pin member (5b) with the base body (5a).

IPC Classes  ?

• H01M 50/15 - Lids or covers characterised by their shape for prismatic or rectangular cells
• H01M 50/103 - Primary casingsJackets or wrappings characterised by their shape or physical structure prismatic or rectangular
• H01M 50/176 - Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
• H01M 50/528 - Fixed electrical connections, i.e. not intended for disconnection
• H01M 50/553 - Terminals adapted for prismatic, pouch or rectangular cells
• H01M 50/562 - Terminals characterised by the material
• H01M 50/564 - Terminals characterised by their manufacturing process
• H01M 50/566 - Terminals characterised by their manufacturing process by welding, soldering or brazing

Abstract

There is described a lid assembly (1) for a battery cell, the lid assembly (1) is configured to fluid-tightly close an inner compartment (3) of the battery cell and comprises: a base plate (4) configured to be coupled with a casing (2) of the battery cell internally defining the inner compartment (3), for closing this latter; an electrolyte injection hole (12) obtained in the base plate (4) and configured for allowing the injection of electrolytic material in the inner compartment (3); a closure assembly (8) for closing the injection hole (12) and including a metallic cover (10) coupled to the base plate (4) at the injection hole (12); the base plate (4) has an inner surface (14), configured to face the inner compartment (3) when the base plate (4) is coupled, in use, with the casing (2), and an outer surface (15) opposite to the inner surface (14) and configured to face outwards with respect to the inner compartment (3); the cover (10) extends at least partially onto said outer surface (15) and is welded to the base plate (4) at said outer surface (15).

IPC Classes  ?

• H01M 50/15 - Lids or covers characterised by their shape for prismatic or rectangular cells
• H01M 50/176 - Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
• H01M 50/183 - Sealing members
• H01M 50/55 - Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
• H01M 50/645 - Plugs
• B23K 33/00 - Specially-profiled edge portions of workpieces for making soldering or welding connectionsFilling the seams formed thereby

Abstract

There is described a lid assembly (1) for a battery cell comprising: a base plate (4) configured to be coupled with a casing (2) of the battery cell internally defining an inner compartment (3) thereof, for closing this latter; an electrolyte injection hole (12) defined by a through hole (12a) obtained in the base plate (4) and configured for allowing the injection of electrolytic material in the inner compartment (3); a closure assembly (8) for closing the injection hole (12) and including a sealing plug or pin (10) for engaging the through hole (12a) so as to seal the injection hole (12) in a fluid-tight manner; the sealing plug (10) comprises a plurality of bumps (14) protruding therefrom and cooperating in fluid-tight contact with the through hole (12a).

IPC Classes  ?

• H01M 50/636 - Closing or sealing filling ports, e.g. using lids
• H01M 50/645 - Plugs

Abstract

There is described a lid assembly (1) for a prismatic battery cell comprising: a base plate (4); a current collector (55) electrically connectable to a respective electrode of the battery cell, for collecting electrical energy; a terminal (6) electrically coupled with the current collector (5) for receiving the electrical energy therefrom; and an insulator member (7) interposed between the terminal (6) and the base plate (4) for electrically insulating the terminal (6) from the base plate (4); the insulator member (7) has an inner portion (7b) and an outer skin (7a) surrounding the inner portion (7b) and defining an external surface thereof; at least one among the inner portion (7b) of the insulator member (7), the terminal (6) and the base plate (4) includes at least one protrusion (13) projecting therefrom for piercing the outer skin (7a), respectively from the inside or from the outside thereof.

IPC Classes  ?

• H01M 50/15 - Lids or covers characterised by their shape for prismatic or rectangular cells
• H01M 50/562 - Terminals characterised by the material
• H01M 50/567 - Terminals characterised by their manufacturing process by fixing means, e.g. screws, rivets or bolts

Abstract

There is described a seal element (14; 14') for a lid assembly (1) apt to close in a fluid-tight manner an inner compartment (3) of a prismatic battery cell, the seal element (14; 14') is configured to be interposed between a current collector (5) of the lid assembly (1) and a base plate (4) of the lid assembly (1) for electrically insulating the current collector (5) and the lid assembly (1) from one another and for fluid-tightly sealing the inner compartment (3), the seal element (14; 14') has a central axis (B), presents a substantially L-shaped semi-profile with respect to the central axis (B), and comprises: an axial collar (15) extending annularly about the central axis (B) and configured to electrically insulate the current collector (5) from the base plate (4); and a radial sealing portion (16) protruding from the collar (15) in a cantilevered manner and configured to fluid-tightly seal the inner compartment (3); the sealing portion (16) includes a main body (17) and a bulge or bump (18) extending from the main body (17) and defining a free end of the sealing portion (16), the bulge or bump (18) has an axial size greater than the axial size of the main body (17).

IPC Classes  ?

• H01M 50/184 - Sealing members characterised by their shape or structure
• H01M 50/186 - Sealing members characterised by the disposition of the sealing members
• H01M 50/188 - Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
• H01M 50/147 - Lids or covers
• H01M 50/15 - Lids or covers characterised by their shape for prismatic or rectangular cells
• H01M 50/553 - Terminals adapted for prismatic, pouch or rectangular cells

Abstract

A sealing lid for sealing a compartment of a supercapacitor housing electrodes and electrolytic material is described, the supercapacitor comprises: a casing internally defining the compartment and having a longitudinal axis, a side wall extending around the longitudinal axis, an axial bottom wall and an axial opening for accessing to the compartment arranged on an axially opposite side of the side wall with respect to the end wall; and at least one terminal electrically connected to one of the electrodes and protruding outside the compartment through the axial opening; the lid is adapted to close the axial opening and comprises an elastomeric element having: an internal through-hole adapted to receive the terminal and delimited by an internal wall adapted to cooperate in fluid-tight contact with the terminal; and a peripheral wall adapted to cooperate in fluid-tight contact with the side wall.

IPC Classes  ?

• H01G 11/80 - GasketsSealings
• F16J 13/14 - Detachable closure membersMeans for tightening closures attached exclusively by spring action or elastic action
• F16J 15/12 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering

Abstract

A seal assembly configured to prevent/limit the entry of external contaminants into a motor compartment of a motorized wheel for vehicles is described. The seal assembly comprises a first support ring which is fixed, a second support ring which is rotatable and radially outermost of the first support ring, and an annular seal interposed between the support rings and including an anchor portion, attached to the second support ring and at least a first and a second annular sealing lip, protruding cantilevered from the anchor portion, mounted by interference between the support rings, defining a sealing configuration, wherein they cooperate with distinct portions of the first support ring along respective annular contact lines, and set by centrifugal effect in a detaching configuration from the respective portions of the first support ring at speeds of the motorized wheel greater than a predetermined non-zero value.

IPC Classes  ?

• F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
• F16J 15/3256 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
• F16J 15/3264 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
• F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members

Abstract

A sealing lid (1) for sealing a compartment (3) of a supercapacitor (2) housing electrodes (4) and electrolytic material is described, the supercapacitor (2) comprises: a casing (5) internally defining the compartment (3) and having a longitudinal axis (A), a side wall (6) extending around the longitudinal axis (A), an axial bottom wall (7) and an axial opening (8) for accessing to the compartment (3) arranged on an axially opposite side of the side wall (6) with respect to the end wall (7); and at least one terminal (10) electrically connected to one of the electrodes (4) and protruding outside the compartment (3) through the axial opening (8); the lid (1) is adapted to close the axial opening (8) and comprises an elastomeric element (13) having: an internal through-hole (14) adapted to receive the terminal (10) and delimited by an internal wall (15) adapted to cooperate in fluid-tight contact with the terminal (10); and a peripheral wall (16) adapted to cooperate in fluid-tight contact with the side wall (6).

IPC Classes  ?

• H01G 2/10 - HousingEncapsulation
• H01G 9/008 - Terminals
• H01G 9/08 - HousingEncapsulation
• F16J 13/14 - Detachable closure membersMeans for tightening closures attached exclusively by spring action or elastic action
• H01G 11/00 - Hybrid capacitors, i.e. capacitors having different positive and negative electrodesElectric double-layer [EDL] capacitorsProcesses for the manufacture thereof or of parts thereof

Abstract

A gasket is described configured to be mounted on a valve of an internal combustion engine, having a central axis and comprising: an annular elastically deformable sealing element, having a radially internal surface having a first portion, adapted to cooperate with contact with a stem of the valve, and a second portion, configured to cooperate with contact with a guide element in a sliding manner of the aforementioned stem; and an annular support member, arranged coaxially on at least part of the sealing element so that the latter is pressed radially between the support member and the valve; the second portion has a circumferential surface section and a plurality of discrete bumps, projecting cantilevered from the circumferential surface section so as to cooperate with contact in use with the guide element, angularly spaced from each other around the axis and forming a discontinuous undulation of the radially internal surface.

IPC Classes  ?

• F01L 3/08 - Valve guidesSealing of valve stem, e.g. sealing by lubricant
• F16K 41/04 - Spindle sealings with stuffing-box with at least one ring of rubber or like material between spindle and housing
• F01L 3/20 - Shapes or constructions of valve members, not provided for in preceding subgroups of this group

Abstract

It is described a gasket for a valve of an internal combustion engine having a central axis and comprising: an elastically deformable sealing element having an annular shape with respect to the aforesaid axis and adapted to be externally arranged on the valve, and a support element, also having an annular shape with respect to the aforesaid axis, coaxially arranged on at least part of the sealing element so that this latter is radially pressed between the support element and the valve; the support element having, along its side wall, at least one through window to allow the evacuation of the heat generated in use during the operation of the valve.

IPC Classes  ?

• F01L 3/08 - Valve guidesSealing of valve stem, e.g. sealing by lubricant
• F01L 3/12 - Cooling of valves
• F01L 3/02 - Selecting particular materials for valve members or valve seatsValve members or valve seats composed of two or more materials
• F16K 41/04 - Spindle sealings with stuffing-box with at least one ring of rubber or like material between spindle and housing
• F16J 15/3268 - Mounting of sealing rings

Abstract

A seal assembly for sealing the compartment between a rotating member and a fixed element. The seal assembly comprises a first ring fixed to the rotating member, a second ring fixed to the fixed element, and a seal element. The seal element is carried by the second ring and is connected to said second ring by means of a fitted portion; the seal element comprises at least one annular pad having an annular seal edge. The annular seal edge projects towards a coupling portion of the first ring and is adapted to cooperate with the coupling portion along a substantially linear area of contact. The seal element further comprises a spring portion adapted to exert an elastic force on the annular pad so as to push the annular seal edge towards the coupling portion.

IPC Classes  ?

• F16J 15/3244 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with hydrodynamic pumping action
• F16J 15/3204 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
• F16J 15/3256 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
• F16J 15/3268 - Mounting of sealing rings
• F16J 15/3284 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structureSelection of materials
• F16J 15/3252 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports

Abstract

There is described a gasket for a valve of an internal combustion engine; this gasket has a central axis and comprises: an elastically deformable annular seal element; a support member made of plastic material, also annular and having at least a retention portion coupled coaxially on a first portion of the seal element to press it on a guide element of the valve; and elastic means acting on a second portion of the seal element to press it on a stem of the valve; the elastic means comprise a thrust portion of the support member made in one single piece with the retention portion; the seal element is formed by means of an injection molding operation in a molding chamber containing the support member.

IPC Classes  ?

• F01L 3/08 - Valve guidesSealing of valve stem, e.g. sealing by lubricant

Abstract

A gasket for a valve of an internal combustion engine is described. The valve has a guide element defining a through seat, and a stem movable in a sliding manner in said seat. The gasket has a central axis and comprises: an elastically deformable sealing element, having an annular configuration with respect to the axis and suitable to be arranged externally on the valve to cooperate both with the guide element and with the stem; a supporting member having an annular configuration, arranged coaxially on at least part of the sealing element so that the latter is pressed radially between the supporting member and the valve; an end flange projecting radially outwards from the supporting member and configured to receive the elastic load of a coil spring of the valve; and protruding means distinct from the flange, projecting outwards from the supporting member and suitable to cooperate with the spring of the valve to maintain it coaxial with the axis.

IPC Classes  ?

• F02F 11/00 - Arrangements of sealings in combustion engines
• F01L 3/08 - Valve guidesSealing of valve stem, e.g. sealing by lubricant
• F16J 15/3268 - Mounting of sealing rings

Abstract

A gasket for sealing a compartment between rotating and fixed members. The gasket has a first ring adapted to be connected to a rotating member; a second ring adapted to be connected to a fixed member; a first annular elastomeric element carried by the first ring and defining at least a first annular sealing lip cooperating with the second ring to counter the passage of external contaminants inside the compartment; a second annular elastomeric element carried by the second ring and defining at least a second annular sealing lip cooperating with the first ring to counter the passage of lubricant to the outside; and an annular wiper member connected to the first elastomeric element and having a wiping portion cooperating with the second fixing portion of the second support ring to counter the passage of external contaminants from the second ambient to the first sealing lip.

IPC Classes  ?

• F16J 15/32 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
• F16J 15/3284 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structureSelection of materials
• F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
• F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
• F16J 15/3256 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
• F16J 15/3268 - Mounting of sealing rings

Abstract

A gasket for sealing a compartment between rotating and fixed members. The gasket has a first ring; a second ring radially more external than the first ring; a first annular elastomeric element carried by the first ring and defining at least a first annular sealing lip cooperating with the second ring to counter the passage of external contaminants inside the compartment; a second annular elastomeric element carried by the second ring and defining at least a second annular sealing lip cooperating with the first ring to counter the passage of lubricant to the outside; a third ring coupled to the second ring and extending from this latter towards the axis of the gasket; and at least a third annular sealing lip, overhangingly projecting from the first elastomeric element and cooperating with the third ring to counter the passage of external contaminants from the outside towards the first sealing lip.

IPC Classes  ?

• F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
• F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
• F16J 15/3256 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
• F16J 15/3268 - Mounting of sealing rings
• F16C 33/80 - Labyrinth sealings
• F16C 19/36 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers

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.

IPC Classes  ?

• F16J 15/00 - Sealings
• F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
• F16J 15/3252 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
• F16J 15/3268 - Mounting of sealing rings
• F16J 15/3284 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structureSelection of materials

Goods & Services

Metal grommets; Gaskets of metal; Metal joints; Metal hose fittings; Metal bindings. Moldable compounds for use in jointing and packing; sealing rings (non-metallic- ); Gaskets made of rubber; Waterproof packings; O-rings; non-metallic junctions; Pipe fittings; Joints, not of metal.

Abstract

There is described a gasket for a valve of an internal combustion engine; the valve comprises a guide element defining a through seat, and a stem slidably moving in such a seat; the gasket comprises an elastically deformable seal element, having an annular configuration with respect to an axis and adapted to be fitted externally on said valve to cooperate with the stem and/or with the guide element; and a support member having an annular shape, fitted coaxially on at least part of the seal element; the support member is formed by a single component made entirely of plastic material.

IPC Classes  ?

• F16K 1/46 - Attachment of sealing rings
• F01L 3/08 - Valve guidesSealing of valve stem, e.g. sealing by lubricant

Goods & Services

Sealing elements for rotating shafts.

Abstract

There is described a seal assembly for sealing the gap between a rotary member and a fixed member, so as to prevent passage of a fluid from a first to a second environment located on opposite sides of the gap; the seal assembly has a first ring integral with the rotary member, a second ring integral with the fixed member, and an elastically deformable sealing member integral with the second ring and in turn having at least one lip cooperating in fluidtight manner with a mating portion of the first ring; and, on the side cooperating with the mating portion, the sealing member has a spiral groove which, in use, produces a fluid-dynamic pumping effect to pump the fluid away from the sealing area and towards the first environment.

IPC Classes  ?

• F16J 15/32 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings

Abstract

A sealing lid (1) for sealing a compartment (3) of a supercapacitor (2) housing electrodes (4) and electrolytic material is described, the supercapacitor (2) comprises: a casing (5) internally defining the compartment (3) and having a longitudinal axis (A), a side wall (6) extending around the longitudinal axis (A), an axial bottom wall (7) and an axial opening (8) for accessing to the compartment (3) arranged on an axially opposite side of the side wall (6) with respect to the end wall (7); and at least one terminal (10) electrically connected to one of the electrodes (4) and protruding outside the compartment (3) through the axial opening (8); the lid (1) is adapted to close the axial opening (8) and comprises an elastomeric element (13) having: an internal through-hole (14) adapted to receive the terminal (10) and delimited by an internal wall (15) adapted to cooperate in fluid-tight contact with the terminal (10); and a peripheral wall (16) adapted to cooperate in fluid-tight contact with the side wall (6).

IPC Classes  ?

• F16J 13/14 - Detachable closure membersMeans for tightening closures attached exclusively by spring action or elastic action
• H01G 2/10 - HousingEncapsulation