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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
McEwen; Stephen N.
Address:
Bowling Green, OH
No. of patents:
28
Patents:












Patent Number Title Of Patent Date Issued
RE32135 Compact universal drum filter settler May 6, 1986
The disclosure concerns an apparatus for separating various sizes, shapes, and textures of solid particles from a liquid, comprising: a settling tank having an elongated ramp at one end with a scraper flight conveyor, driven at the upper end of the ramp, to scrape settlings from the bott
6629814 Low profile pump October 7, 2003
The present invention relates to a fluid handling system including a collection trough and pump assembly. A centrifugal pump is mounted in the path of cutting fluid that needs to be pumped from a collection system and discharged. A wide and narrow inlet mouth lies very low on the factory
6050788 Pump with improved seal for filtration systems April 18, 2000
A pump for pumping fluids in a filtration system is disclosed. The pump has a thrust balancing means to reduce axial loads on motor bearings of the pump during operation of the pump. A drive system of the pump includes an elongate flexible shaft interconnecting a drive shaft and an impel
6017446 Floor mounted filtration system January 25, 2000
A flume system for use with a floor mounted filtration apparatus and a floor mounted in-line machine section is provided. The machine section receives a flow of clean coolant from the filtration apparatus and has a series of machine outlets for outputting dirty coolant carrying parti
5985145 Shaft mounted gear box November 16, 1999
A drive system for a filtration apparatus includes a housing, a motor, an input gear driven by the motor, a ring gear, an eccentric gear assembly, an internal gear assembly, and an output gear. The ring gear is driven by the input gear about a central axis. The eccentric gear assembly in
5961847 Filter apparatus with dual drive loops October 5, 1999
An improved filter apparatus includes an upper tank for holding dirty liquid and has a perforated plate. A lower compartment is beneath the plate for receiving liquid from the upper tank. A permanent filter belt for filtering particulate from the dirty liquid is arranged in a first c
5961828 Compact drive system utilizing gear box with worm and cycloidal gears October 5, 1999
The present invention includes a compact drive system comprising a housing, a motor, a worm screw, a first gear, an internal gear, a second gear and an output gear. The motor is supported relative to the housing and the worm screw is driven by the motor. The first gear rotates about a ce
5820756 Disc filter assembly for machine tool coolant October 13, 1998
Filter apparatus for filtering contaminants from a fluid, such as machine tool coolant, are disclosed. One filter apparatus includes a filter drum unit having a generally cylindrical open perforated support sheet with a cylindrical screen element mounted thereabout. Circumference varying
5662812 Trough system for machine tool coolant collection flumes September 2, 1997
A machine tool coolant collection flume system (10) for communicating machine tool coolant from machine tools to a filtration system includes a main trough (12) and a tributary trough (14) intersecting the main trough wherein each trough (12,14) slopes downwardly in the direction of mach
5655849 Couplings for joining shafts August 12, 1997
A concentric coupling and method for making the same are taught which include a cylindrical block which is concentrically bored and cut into an annular L-shaped segment having an L-shaped notch and a semi-cylindrical mating segment which is received into the notch. The coupling conce
5637213 Immersible filter drum unit and method for assembling thereof June 10, 1997
Filter apparatus for filtering contaminants from a fluid, such as machine tool coolant, are disclosed. One filter apparatus includes a filter drum unit having a generally cylindrical open perforated support sheet with a cylindrical screen element mounted thereabout. Circumference varying
5503520 Pump for filtration systems April 2, 1996
A pump for pumping fluids in a filtration system is disclosed. The pump has a thrust balancing means to reduce axial loads on motor bearings of the pump during operation of the pump. A drive system of the pump includes an elongate flexible shaft interconnecting a drive shaft and an impel
5389256 Filter apparatus for machine tool coolant February 14, 1995
A filter apparatus for filtering machine tool coolant is disclosed as including a drum filter or a disc filter assembly including a hollow rotatable mandrel mounting a drum filter assembly or plurality of removable hollow disc filter elements each element having a foraminous non-reti
5300220 Trough system for machine tool coolant collection flumes April 5, 1994
A machine tool coolant collection flume system (10) for communicating machine tool coolant from machine tools to a filtration system includes a main trough (12) and a tributary trough (14) intersecting the main trough wherein each trough (12,14) slopes downwardly in the direction of mach
5158691 Filter apparatus and method for filtering contaminants from machine tool coolant October 27, 1992
A filter apparatus (10) for filtering machine tool coolant is disclosed as including a filter assembly (12) including a foraminous non-reticulated metal screen (30) having minute openings and a smooth planar surface for providing improved scrape cleanability and preventing movement of
5154584 Pump for filtration systems October 13, 1992
The pump includes a discharge head having a pair of axially spaced end walls defining in part an annular chamber therebetween. The tank includes a housing in communication with a liquid outlet conduit. By seating the discharge head in the tank housing, an annular pump discharge chamber i
5135364 Pump mounting apparatus for filtration system August 4, 1992
The pump includes a discharge head having a pair of axially spaced end walls. The tank includes a housing in communication with a liquid outlet conduit and forms part of a substantially permanently stationary pipe column which receives clean coolant from the receptor side of a filtration
5030346 Pump for filtration system July 9, 1991
The pump includes a discharge head having a pair of axially spaced end walls defining in part an annular chamber therebetween. The tank includes a housing in communication with a liquid outlet conduit. By seating the discharge head in the tank housing, an annular pump discharge chamber i
4975184 Horizontal removable pump for filtration systems December 4, 1990
The filtration system includes a tank and a pump for suctioning clean filtrate from the tank and pumping filtrate into a discharge manifold. The pump includes a suction inlet port, an impeller and a discharge head. A suction connection to the filtrate is provided in the side wall of the
4900438 Pump mounting for a filtration system February 13, 1990
The pump mounting includes vertical guide tracks and horizontal supports whereby a pump can be lowered in a filtration tank along the vertical guide tracks to connect its axial inlet port with an inlet conduit and rotated to connect its radial discharge port with an outlet conduit. P
4507061 Check valve and pump receptor assembly March 26, 1985
A reservoir of liquid having a false bottom forming a lower chamber of reduced pressure produced by a plurality of removable pumps suspended in apertures in said false bottom, each of which apertures is provided with a two-piece receptor and check valve assembly; the receptor of which fo
4467633 Trough, manufacturing process, and apparatus August 28, 1984
The disclosure concerns a smooth continuous steel trough, free of longitudinal weld joints except for a flanged frame attached to its open top for supporting a cover grating. The apparatus for performing these steps comprises a conveyor table for moving and clamping a parallel edged
4428838 Tubular filter structure January 31, 1984
An easily removable tubular filter assembly, such as from a cylindrical array of parallel filter tubes arranged between two spaced parallel circular plates, which array is immersible in a liquid to be filtered. Each filter tube comprises a central open-ended perforated rigid tube with
4421645 Compact universal drum filter settler December 20, 1983
The disclosure concerns an apparatus for separating various sizes, shapes, and textures of solid particles from a liquid, comprising: a settling tank having an elongated ramp at one end with a scraper flight conveyor, driven at the upper end of the ramp, to scrape settlings from the bott
4420868 Trough manufacturing process December 20, 1983
The disclosure concerns a smooth continuous steel trough, free of longitudinal weld joints except for a flanged frame attached to its open top for supporting a cover grating. This trough is, for example, of the type embedded in the floor of a factory for the gravity and/or jet flow of
4055497 Hold-down mechanism for scraper conveyor and settling tank October 25, 1977
A settling tank having a flat bottom and an inclined side extending from an arcuate corner along one side of said bottom, a drag-out conveyor means along said bottom around said arcuate corner and up said inclined side, and a mechanism for permitting the idler sprocket or roller of the
3980014 Briquetting machine September 14, 1976
A relatively thin briquetting chamber having a filter screen along at least one wall thereof, openable ends, a piston movable through said chamber from one end to the other to squeeze liquid from solid particles collected on the screen in said chamber and form a briquette, and an opening
3935105 Tubular filter in settler January 27, 1976
A separator for solid particles from a liquid, such as a dirty industrial machine tool coolant, comprising a settling tank with one or more frames or assemblies of horizontally extending tubular filters and means to removably clamp such frames against a side of the settling tank over










 
 
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