Lightning surge protector

A lightning surge protector for protecting equipment from a lightning surge, comprising:

• a voltage-current non-linear resistor element for limiting a current caused by said lightning surge;
• and
• a conductive pressure-proof housing for accommodating said resistor element and a lower electrode member, said housing having an outer wall surface covered with an organic insulator and an interior space filled with said organic insulator, wherein said conductive pressure-proof housing comprises:
• an upper end connected to an upper electrode member;
• and
• a lower partially opened end.

A lightning surge protector for protecting equipment from a lightning surge, comprising:

• a voltage-current non-linear resistor element for limiting a current caused by said lightning surge;
• and
• a conductive pressure-proof housing for accommodating said resistor element and a lower electrode member, said housing having an outer wall surface covered with an organic insulator and an interior space filed with said organic insulator,
• wherein said conductive pressure-proof housing comprises an upper end connected to an upper electrode member, and a lower partially opened end,
• wherein said upper electrode member comprises:
• an upper electrode plate;
• a spring;
• and
• an upper electrode, said upper electrode plate being disposed between said upper electrode and said voltage-current non-linear resistor element;
• and
• wherein said lower electrode member comprises:
• a lower electrode plate;
• and
• a lower electrode having a lower rod portion which penetrates and projects outside said lower opening of said conductive pressure-proof housing.

A self arc-extinguishing lightning surge protector for protecting equipment from a lightning surge, comprising:

• a non-linear resistive current limiting element for limiting a current caused by a lightning surge;
• and
• a conductive pressure-proof housing for accommodating said voltage-current non-linear resistor element comprising:
• an upper electrode member;
• a lower electrode member;
• a lower end of the housing having a partial opening portion;
• an outer insulating element covering an exterior wall surface of said housing;
• and
• an outer insulating element filling an interior space of said housing to insulate the housing from the resistor element;
• such that when an internal arc occurs, the energy from the lightning causes the lower electrode member to break said insulator at the opening portion of said conductive pressure-proof housing so as to electrically connect said conductive pressure-proof housing to a part of said lower electrode member.

A self arc-extinguishing lightning surge protector for protecting equipment from a lightning surge, comprising:

• a non-linear resistive current limiting element for limiting a current caused by said lightning surge;
• and
• a conductive pressure-proof housing for accommodating said non-linear resistive current limiting element comprising:
• an upper electrode member;
• a lower electrode member;
• a lower end of the housing having a partial opening portion;
• an outer insulating element covering an exterior wall surface of said housing;
• and
• an inner insulating element filling an interior space of said housing to insulate said housing from said resistor element;
• such that when an internal arc occurs, the energy from said lightning causes said lower electrode member to break said insulator at said opening portion of said conductive pressure-proof housing so as to electrically connect said conductive pressure-proof housing to a part of said lower electrode member,
• wherein said lower electrode member has a blade portion and a projecting portion for breaking said insulator so as to electrically connect said conductive pressure-proof housing to said lower electrode member.

A self arc-extinguishing lightning surge protector for protecting equipment from a lightning surge, comprising:

• a non-linear resistive current limiting element for limiting a current caused by said lightning surge;
• and
• a conductive pressure-proof housing for accommodating said voltage-current non-linear resistor element comprising:
• an upper electrode member;
• a lower electrode member;
• a lower end of said housing having a partial opening portion;
• an outer insulating element covering an exterior wall surface of said housing;
• and
• an inner insulating element filling an interior space of said housing to insulate said housing from said resistor element;
• such that when an internal arc occurs, the energy from said lightning causes said lower electrode member to break said insulator at said opening portion of said conductive pressure-proof housing so as to electrically connect said conductive pressure-proof housing to a part of said lower electrode member,
• wherein said conductive pressure-proof housing has a blade portion and a projecting portion for breaking said insulator so as to electrically connect said conductive pressure-proof housing to said lower electrode member.

A self arc-extinguishing arrester for protecting equipment from a lightning surge comprising:

• a non-linear resistive current limiting element for limiting a current caused by said lightning surge;
• and
• a conductive pressure-proof housing for accommodating said non-linear resistive current limiting element comprising:
• an upper electrode member;
• a lower electrode member;
• a lower end of said housing having a partial opening portion;
• an outer insulating element covering an exterior wall surface of said housing;
• and
• an inner insulating element filling an interior space of said housing to insulate said housing from said resistor element;
• such that when an internal arc occurs, the energy from said lightning causes said lower electrode member to break said insulator at said opening portion of said conductive pressure-proof housing so as to electrically connect said conductive pressure-proof housing to a part of said lower electrode member,
• wherein said lower electrode member has a rod-like portion comprising:
• a covered portion covered with said insulator element and being painted to be brightly visible;
• and
• a projecting portion projecting outside said housing, such that it is possible to visually distinguish a displacement of said lower electrode member.