Bag filter cleaning device

Claim 2

In a filtration apparatus for removing suspended particulates from gases, which apparatus has flexible bag-shaped filtering elements suspended in tension in a cleaning compartment from a rigid frame that is constructed and arranged to be driven in an oscillatory manner to shake the bag-shaped filtering elements, means for driving the rigid frame in an oscillatory manner, and an impacting device for imparting mechanical impacts against said frame as the same undergoes the oscillatory motion, said impacting device comprising: a. a bracket that is mounted stationarily in the cleaning compartment; b. a rigid striker member and cooperatively-associated adjustable means adjustably mounting and positioning said striker member in said bracket to extend to a location whereat an end of the striker member is impacted by the frame on the frame's oscillatory path of travel; and c. resilient and adjustable biasing means cooperatively associated with said striker member and said adjustable mounting means for resiliently biasing the striker member relative the mounting means so that said striker member moves resiliently following an impact with the frame.

Claim 3

An impacting device according to claim 1 wherein said adjustable mounting means comprises an adjustably positionable a sleeve and said striker member is slidably disposed therein with said end of said striker member projecting substantially from said sleeve.

Claim 4

An impacting device according to claim 2 wherein said sleeve is externally threaded and is adjustably positioned in a threaded receiving aperture formed in said bracket.

Claim 5

An impacting device according to claim 2 wherein said striker member is a bolt-like member with a head and a shank, and said shank is slidably disposed within said sleeve.

Claim 6

An impacting device according to claim 4 wherein said biasing means comprises a coil spring that encircles said shank and adjustment means are provided to place said spring adjustably in compression between said head and said bracket.

Claim 7

An impacting device according to claim 4 wherein said biasing means comprise a coil spring that encircles said shank between said head and the adjacent end of said sleeve.

Claim 8

An impacting device according to claim 6 further including adjustment means selectively draw said shank through said sleeve to adjust the precompression on said spring.

Claim 9

An impacting device according to claim 6 wherein said shank has a free end opposite said head and said free end is threaded and a nut is received thereon to selectively draw the shank through said sleeve to adjust the precompression on said spring.

Claim 10

A filtration apparatus according to claim 1 wherein said bag-shaped filtering elements are formed from fiber glass.

Claim 11

In a filtration apparatus for removing suspended particulates from gases, which apparatus includes flexible bag-shaped filtering elements suspended in tension in a cleaning compartment from a rigid frame that is constructed and arranged to be driven in an oscillatory manner to shake the bag-shaped filtering elements, means for driving the rigid frame in an oscillatory manner, and an impacting device for imparting mechanical impacts against said frame as the same undergoes the oscillatory motion, said impacting device comprising: a. a bracket mounted stationarily in the cleaning compartment; b. an externally-threaded sleeve that is adjustably received by said bracket; c. a rigid striker member having a shank that is slidably received in said sleeve and a striking head at one end of said shank positioned to be impacted by the frame during the frame's oscillatory path of travel; d. a coil spring that encircles said shank between said striking head and the adjacent end of said sleeve; and e. means adjustably securing the opposite end of said shank against said sleeve for adjusting the compression on said spring.

Claim 12

In a filtration apparatus for removing suspended particulates from gases, which apparatus includes flexible bag-shaped filtering elements suspended in tension in a cleaning compartment from a rigid frame that is constructed and arranged to be driven in an oscillatory manner to shake the bag-shaped filtering elements, means for driving the rigid frame in an oscillatory manner, and an impacting device for imparting mechanical impacts against said frame as the same undergoes the oscillatory motion, said impacting device comprising: a. a bracket mounted stationarily in the cleaning compartment; b. an externally-threaded sleeve that is adjustably received by said bracket; c. a rigid striker member having a shank that is slidably received in said sleeve and a striking head at one end of said shank positioned to be impacted by the frame during the frame's oscillatory path of travel; d. a coil spring that encircles said shank between said striking head and the adjacent end of said sleeve; and e. means adjustably securing the opposite end of said shank against said sleeve for adjusting the compression on said spring.

Claim 13

In a filtration apparatus for removing suspended particulates from gases, which apparatus is of the type having flexible bag-shaped filtering elements suspended in tension in a cleaning compartment from rigid frame means that is constructed and arranged to be driven in an oscillatory manner to shake the bags, means for driving the rigid frame means in an oscillatory manner, and an impacting device for imparting mechanical impacts against said frame means as the same undergoes the oscillatory motion, said impacting device comprising: a. a bracket fixedly mounted in the cleaning compartment; b. a rigid striker member having a striking end and having a shank portion that is slidably received in said bracket; c. a coil spring that encircles said shank to bias said striking end outwardly from said bracket; and d. adjustable means securing the end of said shank opposite said striking end against said bracket for adjusting the compression on said spring.

Claim 14

In a filtration apparatus for removing suspended particulates from gases, which apparatus is of the type having flexible bag-shaped filtering elements suspended in tension in a cleaning compartment from rigid frame means that is constructed and arranged to be driven in an oscillatory manner to shake the bags, means for driving the rigid frame means in an oscillatory manner, and an impacting device for imparting mechanical impacts against said frame means as the same undergoes the oscillatory motion, said impacting device comprising: a. a bracket fixedly mounted in the cleaning compartment; b. a rigid striker member having a striking end and having a shank portion that is slidably received in said bracket; c. a coil spring that encircles said shank to bias said striking end outwardly from said bracket; and d. adjustable means securing the end of said shank opposite said striking end against said bracket for adjusting the compression on said spring.

Claim 15

A device according to claim 10 further including a bumper member fixedly carried by said frame means in a position to be struck by said striking end of said striker member.

Claim 16

A filtration apparatus for removing suspended particulates from gases comprising: a. a stationary filtering compartment; b. a rigid frame horizontally disposed within the upper region of the filtering compartment and supported to be driven generally horizontally in an oscillatory manner; c. a means to drive the rigid frame in an oscillatory manner; d. a plurality of flexible bag-shaped filtering elements suspended in tension in said cleaning compartment from said frame to be shaken thereby; and e. an impacting device for imparting mechanical impacts against the frame at an extreme of its oscillatory motion, said impacting device comprising: i. a bracket that is stationarily mounted in said cleaning compartment; ii. a sleeve member adjustably mounted in said bracket; iii. a rigid striker member having a shank portion and a striker head, said shank portion being slidably received in said sleeve member; iv. adjustable retainer means fixed to the end of said shank portion opposite said striker head to stop said end of said shank portion from moving through said sleeve member; and v. resilient biasing means cooperatively associated with said striker member and said sleeve member to position the striker head at a position whereat the striker head is impacted by the frame along the oscillatory path of travel of the frame.

Claim 17

A filtration apparatus for removing suspended particulates from gases comprising: a. a stationary filtering compartment; b. a rigid frame horizontally disposed within the upper region of the filtering compartment and supported to be driven generally horizontally in an oscillatory manner; c. a means to drive the rigid frame in an oscillatory manner; d. a plurality of flexible bag-shaped filtering elements suspended in tension in said cleaning compartment from said frame to be shaken thereby; and e. an impacting device for imparting mechanical impacts against the frame at an extreme of its oscillatory motion, said impacting device comprising: i. a bracket that is stationarily mounted in said cleaning compartment; ii. a sleeve member adjustably mounted in said bracket; iii. a rigid striker member having a shank portion and a striker head, said shank portion being slidably received in said sleeve member; iv. adjustable retainer means fixed to the end of said shank portion opposite said striker head to stop said end of said shank portion from moving through said sleeve member; and v. resilient biasing means cooperatively associated with said striker member and said sleeve member to position the striker head at a position whereat the striker head is impacted by the frame along the oscillatory path of travel of the frame.

Claim 18

An apparatus according to claim 13 wherein said biasing means comprises a coil spring that encircles said shank portion and adjustment means are provided to place said spring adjustably in compression between said striker head and said bracket.

Claim 19

An apparatus according to claim 13 wherein said biasing means comprise a coil spring that encircles said shank portion between said head and the adjacent end of said sleeve.

Claim 20

Apparatus according to claim 15 said adjustable retainer means selectively draw said shank through said sleeve to adjust the precompression on said spring.

Claim 21

An impacting device according to claim 13 wherein said end of said shank portion opposite said strike head is threaded and said retainer means comprises a nut received on said opposite end portion to selectively draw the shank portion through said sleeve to adjust the precompression on said spring.

Claim 22

In a filtration apparatus for removing suspended particulates from gases, which apparatus has flexible bag-shaped filtering elements suspended in tension in a cleaning compartment from a rigid frame that is constructed and arranged to be driven in an oscillatory manner to shake the bag-shaped filtering elements, means for driving the rigid frame in an oscillatory manner, and an impacting device for imparting mechanical impacts against said frame as the same undergoes the oscillatory motion, said impacting device comprising: a. a bracket that is stationarily mounted in said cleaning compartment; b. a sleeve member which is adjustably received in said bracket; c. a rigid striker member having a shank portion and an enlarged striker head which is positioned to be impacted by the frame during the frame's oscillatory path of travel, said shank portion being slidably received in said sleeve member; d. adjustable retainer means fixed to said shank portion at the end opposite from said striker head to retain said striker member for back-and-forth sliding motion within said sleeve member; and e. a coiled compression spring arranged to encircle said shank portion and to provide a biasing force between the striker head member and the proximate end of said sleeve member, the compression of said spring being determined by adjustment of said retainer means and the position of said striker head relative to said bracket being determined by adjustment of the position of said sleeve member in said bracket.

Claim 23

In a filtration apparatus for removing suspended particulates from gases, which apparatus has flexible bag-shaped filtering elements suspended in tension in a cleaning compartment from a rigid frame that is constructed and arranged to be driven in an oscillatory manner to shake the bag-shaped filtering elements, means for driving the rigid frame in an oscillatory manner, and an impacting device for imparting mechanical impacts against said frame as the same undergoes the oscillatory motion, said impacting device comprising: a. a bracket that is stationarily mounted in said cleaning compartment; b. a sleeve member which is adjustably received in said bracket; c. a rigid striker member having a shank portion and an enlarged striker head which is positioned to be impacted by the frame during the frame's oscillatory path of travel, said shank portion being slidably received in said sleeve member; d. adjustable retainer means fixed to said shank portion at the end opposite from said striker head to retain said striker member for back-and-forth sliding motion within said sleeve member; and e. a coiled compression spring arranged to encircle said shank portion and to provide a biasing force between the striker head member and the proximate end of said sleeve member, the compression of said spring being determined by adjustment of said retainer means and the position of said striker head relative to said bracket being determined by adjustment of the position of said sleeve member in said bracket.

Claim 24

The invention according to claim 18 wherein said sleeve member is externally threaded and is adjustably positioned in a threaded receiving aperture formed in said bracket.

Claim 25

The filtration apparatus of claim 18 wherein said filtering elements are formed from fiber glass.

Claim 26

In a filtration apparatus for removing suspended particulates from gases, which apparatus has bag-shaped filtering elements formed from flexible fiber glass and suspended in tension in a cleaning compartment from a rigid frame that is constructed and arranged to be driven in an oscillatory manner to shake the bag-shaped filtering elements, means for driving the rigid frame in an oscillatory manner, and an impacting device for imparting mechanical impacts against said frame as the same undergoes the oscillatory motion, said impacting device comprising: a. a bracket that is fixedly mounted on said frame; b. a rigid striker member and cooperatively-associated adjustable means adjustably mounting and positioning said striker member in said bracket to extend to a location whereat an end of the striker member impacts against the cleaning compartment on the frame's oscillatory path of travel; and c. resilient and adjustable biasing means cooperatively associated with said striker member and said adjustable mounting means for resiliently biasing the striker member relative the mounting means so that said striker member moves resiliently following an impact with the cleaning compartment.

Claim 27

In a filtration apparatus for removing suspended particulates from gases, which apparatus has bag-shaped filtering elements formed from flexible fiber glass and suspended in tension in a cleaning compartment from a rigid frame that is constructed and arranged to be driven in an oscillatory manner to shake the bag-shaped filtering elements, means for driving the rigid frame in an oscillatory manner, and an impacting device for imparting mechanical impacts against said frame as the same undergoes the oscillatory motion, said impacting device comprising: a. a bracket that is fixedly mounted on said frame; b. a rigid striker member and cooperatively-associated adjustable means adjustably mounting and positioning said striker member in said bracket to extend to a location whereat an end of the striker member impacts against the cleaning compartment on the frame's oscillatory path of travel; and c. resilient and adjustable biasing means cooperatively associated with said striker member and said adjustable mounting means for resiliently biasing the striker member relative the mounting means so that said striker member moves resiliently following an impact with the cleaning compartment.