Patents Assigned to JWC Environmental
-
Patent number: 10421078Abstract: An apparatus for comminuting solid waste material including a casing defining a comminution chamber and being open on opposite sides thereof for permitting the flow of liquid therethrough. The apparatus including cooperating substantially parallel first and second shafts, each including a plurality of cutting elements mounted on said first shaft in interspaced relationship with a plurality of second cutting elements mounted on said second shaft, each of said cutting elements having at least one cutting tooth thereon, said cutting elements being positioned between and separated in an axial direction by spacers which are coplanar with the cutting elements of the adjacent stack such that a cutting element from one stack and a spacer from the other stack form a pair of interactive shredding members, wherein the spacers have a textured or scalloped outer cylindrical surface.Type: GrantFiled: September 23, 2015Date of Patent: September 24, 2019Assignee: JWC Environmental, LLCInventors: Todd Nydam, Corey Glauberman, Daniel McHugh, Rob Sabol
-
Patent number: 10130952Abstract: An apparatus for comminuting solid waste material is provided. The apparatus includes a casing and a comminutor assembly including a plurality of cutting elements mounted on said first shaft in interspaced relationship with a plurality of second cutting elements mounted on said second shaft. The casing includes laterally opposed side rails each having a wall extending parallel to the flow direction of the liquid through the comminution chamber, a plurality of planar fins projecting outwardly of said rear wall in the direction of said stack, aligned with the flow direction of the liquid and being spaced from each other in a vertical direction to form slots therebetween, and the planar fins having a leading edge extending from the wall upstream a rearward edge, the rearward edge extending from an outermost portion of the leading edge toward the wall, and the fins have a path ratio greater than 1.55 to 1.Type: GrantFiled: September 23, 2015Date of Patent: November 20, 2018Assignee: JWC Environmental, LLCInventors: Rob Sabol, Daniel McHugh, Kevin Moir, Corey Glauberman, Todd Nydam
-
Patent number: 10086320Abstract: An apparatus and method are provided that enable the control of a screening operation based on a calculated screen blockage percentage and the velocity throughput of the screen. The apparatus includes an upstream level detector, a downstream level detector and flume or weir placed downstream of the screen. The apparatus may further include a blockage determination unit which determines the percent screen blockage based on the flow level upstream of the screen and the flow level downstream of the screen.Type: GrantFiled: June 24, 2010Date of Patent: October 2, 2018Assignee: JWC Environmental, LLCInventors: Scott Kelly, Kenneth Oyler, James Burke
-
Patent number: 9421550Abstract: A comminutor for reducing the particle size of solid waste is provided. The comminutor includes at least two shafts, each fitted with a cutting element. A top portion of each of the shafts is rotatably mounted to a top housing and a bottom portion of each of the shafts is rotatably mounted to a bottom housing. The comminutor also includes a first shaft support disposed between the top portion and the bottom portion for rotatably supporting each of the shafts and a vertical support member attached to the top housing and the bottom housing, the first shaft support being coupled to the vertical support member.Type: GrantFiled: September 27, 2012Date of Patent: August 23, 2016Assignee: JWC Environmental, LLCInventors: Corey Glauberman, Robert Sabol, Bruce R. Hamlett
-
Publication number: 20160082442Abstract: An apparatus for comminuting solid waste material is provided. The apparatus includes a casing and a comminutor assembly including a plurality of cutting elements mounted on said first shaft in interspaced relationship with a plurality of second cutting elements mounted on said second shaft. The casing includes laterally opposed side rails each having a wall extending parallel to the flow direction of the liquid through the comminution chamber, a plurality of planar fins projecting outwardly of said rear wall in the direction of said stack, aligned with the flow direction of the liquid and being spaced from each other in a vertical direction to form slots therebetween, and the planar fins having a leading edge extending from the wall upstream a rearward edge, the rearward edge extending from an outermost portion of the leading edge toward the wall, and the fins have a path ratio greater than 1.55 to 1.Type: ApplicationFiled: September 23, 2015Publication date: March 24, 2016Applicant: JWC ENVIRONMENTAL, LLCInventors: Rob SABOL, Daniel MCHUGH, Kevin MOIR, Corey GLAUBERMAN, Todd NYDAM
-
Publication number: 20160082444Abstract: An apparatus for comminuting solid waste material is provided an includes a casing defining a comminution chamber and being open on opposite sides thereof for permitting the flow of liquid therethrough and a comminutor assembly including cooperating substantially parallel first and second shredding stacks. The comminutor assembly includes first and second parallel shafts rotabably mounted, each including a plurality of cutting elements mounted on said first shaft in interspaced relationship with a plurality of second cutting elements mounted on said second shaft, the cutting elements being positioned between and separated in an axial direction by spacers which are coplanar with the cutting elements of the adjacent stack such that a cutting element from one stack and a spacer from the other stack form a pair of interactive shredding members, wherein the at least one cutting tooth has a plurality of serrations, a tapered profile or a bi-level profile.Type: ApplicationFiled: September 23, 2015Publication date: March 24, 2016Applicant: JWC ENVIRONMENTAL, LLCInventors: Rob SABOL, Corey GLAUBERMAN, Daniel MCHUGH, Todd NYDAM, John SCHATZLEIN
-
Publication number: 20160082443Abstract: An apparatus for comminuting solid waste material including a casing defining a comminution chamber and being open on opposite sides thereof for permitting the flow of liquid therethrough. The apparatus including cooperating substantially parallel first and second shafts, each including a plurality of cutting elements mounted on said first shaft in interspaced relationship with a plurality of second cutting elements mounted on said second shaft, each of said cutting elements having at least one cutting tooth thereon, said cutting elements being positioned between and separated in an axial direction by spacers which are coplanar with the cutting elements of the adjacent stack such that a cutting element from one stack and a spacer from the other stack form a pair of interactive shredding members, wherein the spacers have a textured or scalloped outer cylindrical surface.Type: ApplicationFiled: September 23, 2015Publication date: March 24, 2016Applicant: JWC ENVIRONMENTAL, LLCInventors: Todd NYDAM, Corey GLAUBERMAN, Daniel MCHUGH, Rob SABOL
-
Publication number: 20140084095Abstract: A comminutor for reducing the particle size of solid waste is provided. The comminutor includes at least two shafts, each fitted with a cutting element. A top portion of each of the shafts is rotatably mounted to a top housing and a bottom portion of each of the shafts is rotatably mounted to a bottom housing. The comminutor also includes a first shaft support disposed between the top portion and the bottom portion for rotatably supporting each of the shafts and a vertical support member attached to the top housing and the bottom housing, the first shaft support being coupled to the vertical support member.Type: ApplicationFiled: September 27, 2012Publication date: March 27, 2014Applicant: JWC Environmental, LLCInventors: Corey GLAUBERMAN, Robert SABOL, Bruce R. HAMLETT
-
Publication number: 20110315638Abstract: An apparatus and method are provided that enable the control of a screening operation based on a calculated screen blockage percentage and the velocity throughput of the screen. The apparatus includes an upstream level detector, a downstream level detector and flume or weir placed downstream of the screen. The apparatus may further include a blockage determination unit which determines the percent screen blockage based on the flow level upstream of the screen and the flow level downstream of the screen.Type: ApplicationFiled: June 24, 2010Publication date: December 29, 2011Applicant: JWC ENVIRONMENTALInventors: Scott KELLY, Kenneth OYLER, James BURKE
-
Patent number: 7854850Abstract: An apparatus and method are provided that enable the control of a screening operation based on a calculated screen blockage percentage and the velocity throughput of the screen. The apparatus includes an upstream level detector, a downstream level detector and a flow determining device which determines the volumetric flow through the screen. The apparatus may further include a blockage determination unit which determines the percent screen blockage based on the flow level upstream of the screen, the flow level downstream of the screen and the volumetric flow.Type: GrantFiled: February 25, 2010Date of Patent: December 21, 2010Assignee: JWC EnvironmentalInventors: Scott Kelly, Kenneth Oyler, James Burke
-
Patent number: 7771589Abstract: An apparatus and method are provided that enable the control of a screening operation based on a calculated screen blockage percentage and the velocity throughput of the screen. The apparatus includes an upstream level detector, a downstream level detector and a flow determining device which determines the volumetric flow through the screen. The apparatus may further include a blockage determination unit which determines the percent screen blockage based on the flow level upstream of the screen, the flow level downstream of the screen and the volumetric flow.Type: GrantFiled: June 23, 2008Date of Patent: August 10, 2010Assignee: JWC EnvironmentalInventors: Scott Kelly, Kenneth Oyler, James Burke
-
Publication number: 20100147772Abstract: An apparatus and method are provided that enable the control of a screening operation based on a calculated screen blockage percentage and the velocity throughput of the screen. The apparatus includes an upstream level detector, a downstream level detector and a flow determining device which determines the volumetric flow through the screen. The apparatus may further include a blockage determination unit which determines the percent screen blockage based on the flow level upstream of the screen, the flow level downstream of the screen and the volumetric flow.Type: ApplicationFiled: February 25, 2010Publication date: June 17, 2010Applicant: JWC EnvironmentalInventors: Scott Kelly, Kenneth Oyler, James Burke
-
Publication number: 20090314722Abstract: An apparatus and method are provided that enable the control of a screening operation based on a calculated screen blockage percentage and the velocity throughput of the screen. The apparatus includes an upstream level detector, a downstream level detector and a flow determining device which determines the volumetric flow through the screen. The apparatus may further include a blockage determination unit which determines the percent screen blockage based on the flow level upstream of the screen, the flow level downstream of the screen and the volumetric flow.Type: ApplicationFiled: June 23, 2008Publication date: December 24, 2009Applicant: JWC EnvironmentalInventors: Scott Kelly, Kenneth Oyler, James Burke
-
Patent number: 7383842Abstract: A screenings washer having a hopper, a grinder downstream of the hopper, and a washer downstream of the grinder. The washer includes an auger rotor that receives the screenings ground by the grinder, a spray wash system that sprays a wash fluid directly onto a portion of said auger rotor and the ground screenings, a perforated trough, and tubular casing directly coupled to the discharge end of said auger rotor and having a severe bend proximate to the discharge end of said auger rotor. The severe bend partially obstructing transportation of the ground screenings transported by said auger rotor so as form a compaction zone that compacts and de-waters the ground screenings.Type: GrantFiled: August 3, 2006Date of Patent: June 10, 2008Assignee: JWC EnvironmentalInventors: Rob T. Sabol, John W. Schatzlein
-
Patent number: 7086405Abstract: A screenings washer having a hopper, a grinder downstream of the hopper, and a washer downstream of the grinder. The washer includes an auger rotor that receives the screenings ground by the grinder, a spray wash system that sprays a wash fluid directly onto a portion of said auger rotor and the ground screenings, a perforated trough, and tubular casing directly coupled to the discharge end of said auger rotor and having a severe bend proximate to the discharge end of said auger rotor. The severe bend partially obstructing transportation of the ground screenings transported by said auger rotor so as form a compaction zone that compacts and de-waters the ground screenings.Type: GrantFiled: April 25, 2002Date of Patent: August 8, 2006Assignee: JWC EnvironmentalInventors: Rob T. Sabol, John W. Schatzlein
-
Patent number: 7080650Abstract: A screenings washer having a hopper, a grinder downstream of the hopper, and a washer downstream of the grinder. The washer includes an auger rotor that receives the screenings ground by the grinder, a spray wash system that sprays a wash fluid directly onto a portion of said auger rotor and the ground screenings, a perforated trough, and tubular casing directly coupled to the discharge end of said auger rotor and having a severe bend proximate to the discharge end of said auger rotor. The severe bend partially obstructing transportation of the ground screenings transported by said auger rotor so as form a compaction zone that compacts and de-waters the ground screenings.Type: GrantFiled: May 31, 2005Date of Patent: July 25, 2006Assignee: JWC EnvironmentalInventors: Rob T. Sabol, John W. Schatzlein
-
Patent number: 7081171Abstract: A screenings washer having a hopper, a grinder downstream of the hopper, and a washer downstream of the grinder. The washer includes an auger rotor that receives the screenings ground by the grinder, a spray wash system that sprays a wash fluid directly onto a portion of said auger rotor and the ground screenings, a perforated trough, and tubular casing directly coupled to the discharge end of said auger rotor and having a severe bend proximate to the discharge end of said auger rotor. The severe bend partially obstructing transportation of the ground screenings transported by said auger rotor so as form a compaction zone that compacts and de-waters the ground screenings.Type: GrantFiled: September 21, 2004Date of Patent: July 25, 2006Assignee: JWC EnvironmentalInventors: Rob T. Sabol, John W. Schatzlein
-
Patent number: 7073433Abstract: A system for transporting and dewatering solids in a fluid system. An auger is used to transport solids and provide first stage compaction. A dewatering plate having a restricted opening provides second stage compaction and dewatering. The auger maybe be shafted or shaftless. First stage compaction is achieved by a change in helical pitch of the auger immediately preceding the location of the dewatering plate.Type: GrantFiled: March 11, 2003Date of Patent: July 11, 2006Assignee: JWC EnvironmentalInventors: James Burke, Robert Sabol
-
Patent number: RE39948Abstract: A solid waste material comminuting system having a an electric motor for providing rotary motion, a pair of cutter stacks with cutter elements of one stack interleaved with cutter elements of the other, and gear means to transmit the rotary motion of the electric motor to counter-rotate cutter elements of one stack with cutter elements of the other. Each of the cutter stacks comprises a central shaft journaled for rotation and a seal-bearing assembly/module at each end of the central shafts. Each bearing assembly/module comprises an end housing, and a pair of insertable pre-assembled seal-bearing elements/assemblies mountable in each of said end housings. One seal-bearing element/assembly has a thru-hole for journaling a first shaft for rotation and a second seal-bearing element/assembly has a thru-hole for journaling a second shaft for rotation.Type: GrantFiled: April 22, 2005Date of Patent: December 25, 2007Assignee: JWC EnvironmentalInventors: Joseph W. Chambers, Sr., Robert T. Sabol, Craig J. Fennessy
-
Patent number: RE40442Abstract: A solid waste material comminuting system having a an electric motor for providing rotary motion, a pair of cutter stacks with cutter elements of one stack interleaved with cutter elements of the other, and gear means to transmit the rotary motion of the electric motor to counter-rotate cutter elements of one stack with cutter elements of the other. Each of the cutter stacks comprise comprises a central shaft journaled for rotation and a seal-bearing assembly/module at each end of the central shafts. Each bearing assembly/module comprises an end housing, and a pair of insertable pre-assembled seal-bearing elements/assemblies mountable in each of said end housings. One seal-bearing element/assembly has a thru-hole for journaling a first shaft for rotation and a second seal-bearing element/assembly has a thru-hole for journaling a second shaft for rotation.Type: GrantFiled: April 22, 2005Date of Patent: July 22, 2008Assignee: JWC EnvironmentalInventors: Joseph W. Chambers, Sr., Robert T. Sabol, Craig J. Fennessy