Fluid control system louver unit

Claim 2

In a fluid control system, a louver unit, comprising: a. a main frame including a bearing seat frame, b. a series of parallel frame members in said frame, c. a series of vanes pivoted in said bearing seat frame and adapted to be pivotally moved in said frame and interjacent to said parallel frame members from a position of alignment with the desired airflow to a position transverse to said air flow and vice versa, d. one of said frame members defining an enlarged structure for housing a control element, e. a control element in said housing, f. said vanes defining openings therein to permit said vanes to be rotated in said frame without interference with the structure of said members, control element or control element housing, g. certain of said vane openings being on one portion of all said vanes relative to said pivotal mounting of said vane for cooperating with said frame members, other of said vane openings being on the other portion of certain vanes for cooperating with said control element, and another of said vane openings being on another portion of said last named vanes for cooperating with said control element housing, all of said openings being masked by a solid portion of an adjacent vane or by that structure with which it cooperates to provide closure of all said openings when said vanes are moved to their transverse positions.

Claim 3

A louver unit as in claim 1, comprising: a. a gang-connected vane actuating bar actuating bar having raised pin basses defining cutouts therebetween, b. said bearing seat frame having raised bearing seats defining cutouts therebetween, c. said pin bosses and said bearing seats each being so positioned and each operating in the same plane, whereby when said vanes are moved to either extreme position, said bosses and seats will each nest in the cutout area of the other structure to permit maximum closure between said bearing seat frame and said vane actuating bar, while avoiding air blockage through said frame.

Claim 4

In a fluid control system, a louver unit, comprising: a. a main frame including a bearing seat frame, b. a series of parallel frame members in said frame, c. a series of vanes adapted to be pivotally moved in said bearing seat frame and interjacent said parallel frame members from a position of alignment with the desired airFlow to a position transverse to said air flow and vice versa, d. said vanes defining openings therein to permit said vanes to be rotated in said frame without interference with the structure of said frame members, e. one of said frame members defining an enlarged structure for housing a control element, f. a control element in said housing, g. certain of said vanes defining a specific openings to avoid interference with said control element housing when said vanes are rotated, h. means in said vane construction to permit closure of all said openings when said vanes are moved to their transverse position, i. coupling means to couple said vanes together to permit simultaneous movement of said vanes while maintaining said vanes in parallel relationship with each other, j. means in said bearing seat frame to cooperate with said coupling means and permit said vanes to shingle with each other and lay flat in said main frame and close said openings within said frame, k. said vanes including pivot pins, l. said bearing seat frame including bearing seats receiving said pins, m. said coupling means comprising a vane actuating bar having raised pin bosses of certain height defining cutouts therebetween and said bar operating in the same plane as said bearing seat frame, n. certain of said bearing seats nesting into the certain height area of said vane actuating bar when said bar is moved to either extreme position.

Claim 5

In a fluid control system, a louver unit, comprising: a. a main frame including a bearing seat frame, b. a series of parallel frame members in said frame, c. a series of vanes adapted to be pivotally moved in said bearing seat frame and interjacent said parallel frame members from a position of alignment with the desired airFlow to a position transverse to said air flow and vice versa, d. said vanes defining openings therein to permit said vanes to be rotated in said frame without interference with the structure of said frame members, e. one of said frame members defining an enlarged structure for housing a control element, f. a control element in said housing, g. certain of said vanes defining a specific openings to avoid interference with said control element housing when said vanes are rotated, h. means in said vane construction to permit closure of all said openings when said vanes are moved to their transverse position, i. coupling means to couple said vanes together to permit simultaneous movement of said vanes while maintaining said vanes in parallel relationship with each other, j. means in said bearing seat frame to cooperate with said coupling means and permit said vanes to shingle with each other and lay flat in said main frame and close said openings within said frame, k. said vanes including pivot pins, l. said bearing seat frame including bearing seats receiving said pins, m. said coupling means comprising a vane actuating bar having raised pin bosses of certain height defining cutouts therebetween and said bar operating in the same plane as said bearing seat frame, n. certain of said bearing seats nesting into the certain height area of said vane actuating bar when said bar is moved to either extreme position.

Claim 6

A louver unit as in claim 3, wherein: a. said bearing seat frame comprises raised bearing seats of a certain height defining cutouts therebetween, b. and wherein when said vanes are moved to an extreme lateral position, said raised pin bosses will occupy the cutouts in said bearing seat frame for permitting said vanes to shingle and lay flat in each extreme position of their movement.

Claim 7

In a fluid control system, a louver unit, comprising: a. a main frame including a bearing seat frame, b. a series of parallel frame members in said frame, c. a series of vanes adapted to be pivotally moved in said frame and interjacent said parallel frame members from a position of alignment with the desired airflow to a position transverse to said airflow and vice versa, d. said vanes defining openings therein to permit said vanes to be rotated in said frame without interference with the structure of said frame members, e. and means in said vane construction to permit full closure of all said openings when said vanes are moved to their transverse position, f. one of said frame members defining an enlarged structure for housing a control element, g. a control element in said housing, h. certain of said vanes defining specific openings to avoid interference with said control element housing when said vanes are rotated, i. coupling means to control element housing when said vanes are rotated, i. coupling means to couple said vanes together to permit simultaneous movement of said vanes while maintaining said vanes in parallel relationship with each other, j. means in said bearing seat frame to cooperate with said coupling means and permit said vanes to shingle with each other and lay flat in said main frame and fill the openings within said frame, k. said vanes including pivot pins, l. said frame including bearing seats receiving said pins, m. the spacing from the last bearing seat and the nearest end of the frame being equal to the spacing between the bearing seats, n. and the total length of said vane being twice said spacing.

Claim 8

In a fluid control system, a louver unit, comprising: a. a main frame including a bearing seat frame, b. a series of parallel frame members in said frame, c. a series of vanes adapted to be pivotally moved in said frame and interjacent said parallel frame members from a position of alignment with the desired airflow to a position transverse to said airflow and vice versa, d. said vanes defining openings therein to permit said vanes to be rotated in said frame without interference with the structure of said frame members, e. and means in said vane construction to permit full closure of all said openings when said vanes are moved to their transverse position, f. one of said frame members defining an enlarged structure for housing a control element, g. a control element in said housing, h. certain of said vanes defining specific openings to avoid interference with said control element housing when said vanes are rotated, i. coupling means to control element housing when said vanes are rotated, i. coupling means to couple said vanes together to permit simultaneous movement of said vanes while maintaining said vanes in parallel relationship with each other, j. means in said bearing seat frame to cooperate with said coupling means and permit said vanes to shingle with each other and lay flat in said main frame and fill the openings within said frame, k. said vanes including pivot pins, l. said frame including bearing seats receiving said pins, m. the spacing from the last bearing seat and the nearest end of the frame being equal to the spacing between the bearing seats, n. and the total length of said vane being twice said spacing.

Claim 9

A louver unit as in claim 5, wherein: a. means are included in said bearing seat frame to cooperate with said coupling means and permit said vanes to shingle with each other and lay flat in said main frame and become firmly closed one against the other under air pressure on the back side thereof.