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US 12,077,466 B2Granted
Particle exhaust apparatus for optical fiber draw furnace
AssigneeCorning Incorporated
InventorsGuoqiang Chen, Zhi Ming Liu
Life of this patent
Estimating the term…
Abstract
According to one embodiment of the present disclosure, a reclaim cylinder includes: a single housing (60) coupled to a fiber draw furnace system, the housing defining a reclaim chamber 64, a plurality of gas reclaim ports (68) spaced equidistant from each other and tangentially coupled to the housing, a gas sampling port (52) tangentially or perpendicularly coupled to the housing, and a particle sampling port (54) tangentially or perpendicularly coupled to the housing.
Claims17
A reclaim cylinder, comprising:
- a housing comprising a first end and a second end and defining a reclaim chamber;
- a plurality of gas reclaim ports spaced equidistant from each other and tangentially coupled to the housing such that a centerline of each gas reclaim port intersects an exterior surface of the housing at an angle of about 45 degrees or less;
- a gas sampling port perpendicularly coupled to the housing such that a centerline of the gas sampling port intersects the exterior surface of the housing at an angle of about 90 degrees;
- and
- a particle sampling port perpendicularly coupled to the housing such that a centerline of the particle sampling port intersects the exterior surface of the housing at an angle of about 90 degrees;
- wherein the reclaim cylinder is configured to be coupled to a fiber draw furnace system;
- and
- wherein a cross-sectional area of a gas flow passage within the reclaim cylinder is uniform along a length of the housing defined by the first end and the second end.
5 more elements
A fiber draw furnace system comprising:
- a heated section having a first end and a second end, wherein the heated section is configured to hold an optical fiber preform;
- an upper gas inlet coupled to the first end of the heated section, wherein the upper gas inlet is configured to flow a first gas into the heated section;
- a lower extended muffle having a first end and a second end;
- a lower gas inlet coupled to the second end of the lower extended muffle and configured to flow a second gas into the lower extended muffle;
- and
- a reclaim cylinder coupled to the lower extended muffle between the first end of the lower extended muffle and the second end of the heated section, the reclaim cylinder comprising:
- a housing comprising a first end and a second end and defining a reclaim chamber;
- a plurality of gas reclaim ports spaced equidistant from each other and tangentially coupled to the housing such that a centerline of each gas reclaim port intersects an exterior surface of the housing at an angle of about 45 degrees or less;
- a gas sampling port perpendicularly coupled to the housing such that a centerline of the gas sampling port intersects the exterior surface of the housing at an angle of about 90 degrees;
- and
- a particle sampling port perpendicularly coupled to the housing such that a centerline of the particle sampling port intersects the exterior surface of the housing at an angle of about 90 degrees;
- wherein a gas flow passage within the reclaim chamber is uniform between the first end and the second end of the housing.
9 more elements
A fiber draw furnace system, comprising:
- a reclaim cylinder, comprising:
- a housing comprising a first end and a second end and defining a reclaim chamber;
- a plurality of gas reclaim ports tangentially coupled to the housing;
- and
- at least one sampling port coupled to the housing;
- wherein the plurality of gas reclaim ports and the at least one sampling port are positioned at different heights along a length of the housing defined by the first end and the second end of the housing;
- and
- wherein a cross-sectional area of a gas flow passage within the reclaim cylinder is uniform along a length of the housing defined by the first end and the second end.
5 more elements
Dependencies are inferred from the claim text.