A liquid processing apparatus comprised of a housing comprising a bottom wall, a side wall, and a central wall dividing a volume enclosed by the bottom wall and side wall into a treatment chamber and a discharge chamber; and a cartridge disposed in the treatment chamber. The cartridge may be comprised of a base wall and a lateral wall forming a media chamber, and a plurality of passageways through at least one of the base wall and side wall rendering the media chamber in communication with the treatment chamber. A treatment medium is contained in the media chamber. The cartridge may be comprised of a plurality of divider walls partitioning the media chamber into media compartments. The housing may be further comprised of a plurality of locating walls extending vertically upward from the bottom wall of the housing and between the divider walls of the cartridge.
A liquid processing apparatus comprised of a housing comprising a bottom wall, a side wall, and a central wall dividing a volume enclosed by the bottom wall and side wall into a treatment chamber and a discharge chamber; and a cartridge disposed in the treatment chamber. The cartridge may be comprised of a base wall and a lateral wall forming a media chamber, and a plurality of passageways through at least one of the base wall and side wall rendering the media chamber in communication with the treatment chamber. A treatment medium is contained in the media chamber. The cartridge may be comprised of a plurality of divider walls partitioning the media chamber into media compartments. The housing may be further comprised of a plurality of locating walls extending vertically upward from the bottom wall of the housing and between the divider walls of the cartridge.
A pump cartridge comprising an external housing including a lateral wall, a first fin extending from a first side of the lateral wall, and a second fin extending from a second side of the lateral wall. The second side of the lateral wall may be opposite the first side of the lateral wall, such that the fins are on opposite sides of the lateral wall. The pump cartridge may be part of a pumping system further comprised of a chassis comprising a pump basin including an interior side wall, a first tab extending inwardly from the interior side wall, and a second tab extending inwardly from the interior side wall and opposed to the first tab. The first fin of the cartridge is reversibly engageable with the first tab of the chassis and the second fin of the cartridge is reversibly engageable with the second tab of the chassis.
A pump cartridge comprising an external housing including a lateral wall, a first fin extending from a first side of the lateral wall, and a second fin extending from a second side of the lateral wall. The second side of the lateral wall may be opposite the first side of the lateral wall, such that the fins are on opposite sides of the lateral wall. The pump cartridge may be part of a pumping system further comprised of a chassis comprising a pump basin including an interior side wall, a first tab extending inwardly from the interior side wall, and a second tab extending inwardly from the interior side wall and opposed to the first tab. The first fin of the cartridge is reversibly engageable with the first tab of the chassis and the second fin of the cartridge is reversibly engageable with the second tab of the chassis.
A pump comprising a volute housing, a rotatable shaft, and an impeller. The volute housing comprises a volute cavity side wall, an upper cylindrical wall, and an upper wall. The upper cylindrical wall extends upwardly from an upper perimeter edge and includes an upper recessed notch formed therein. The upper wall extends radially inwardly from the upper cylindrical wall. The rotatable impeller is operatively coupled to the rotatable shaft and comprises a top cylindrical wall and a top flange. The top cylindrical wall extends upwardly from a top perimeter edge of the top flange and includes a top recessed notch formed therein. The top cylindrical wall is separated from the upper cylindrical wall of the volute housing by an upper annular gap. The top recessed notch of the rotatable impeller and the upper recessed notch of the volute housing may be slot-shaped or wedge-shaped.
A liquid pump comprising a motor housing, a motor, a volute housing joined to the motor housing, and upper and lower seals contained in the volute housing. The motor housing has a motor housing side wall including a distal end joined to the volute housing. The motor includes a rotatable shaft that extends into the volute housing. The volute housing includes an upper volute wall having a major portion in direct fluid communication with the motor housing volume, thereby enabling a high rate of heat transfer from the motor to the fluid in the volute that is being pumped. In that manner, the pump has dual seal capability that reduces the risk of motor damage due to a seal failure, while also having a high rate of heat transfer out of the motor housing, which reduces the risk of failure of the motor from operating at a high temperature.
A cutting assembly and a grinder pump including the cutting assembly are disclosed. The cutting assembly includes a cutting plate that has a plurality of cutting ports with cutting edges that are distributed over a range of radial locations of the plate. The cutting edges of the cutting ports define a series of cutting regions of the cutting blades of a rotary cutter that operate in a shearing action with the cutter plate. The cutting action by the blades of the rotary cutter is distributed over nearly the entire lengths of the cutting edges of the cutting blades, thereby distributing the wear on the cutting blades evenly, and extending cutting assembly life.
F04D 7/04 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogeneous
B02C 18/00 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like
F04D 13/08 - Units comprising pumps and their driving means the pump being electrically driven for submerged use
F04D 29/22 - Rotors specially for centrifugal pumps
9.
Liquid level control module and apparatus comprising same
A liquid level control module comprising an elongated tubular housing immersible through a surface of a liquid and into a bulk volume of the liquid, and first, second, and third electrical switches, and first and second floats movable along the tubular housing. The first electrical switch is disposed within a lower portion of the tubular housing, the second electrical switch is disposed within an intermediate portion of the tubular housing, and the third electrical switch is disposed within an upper portion of the tubular housing. Each of the switches has an open state and a closed state. Motion of the first float relative to the first switch changes its state. Motion of the second float relative to the second switch changes its state, and motion of the second float relative to the third switch changes its state. Thus a two-float module may provide three level control signals.
H01H 36/00 - Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
H01H 36/02 - Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
G05D 9/12 - Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
G01F 23/68 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type using electrically actuated indicating means
G01F 23/70 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type using electrically actuated indicating means for sensing changes in level only at discrete points
G01F 23/74 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type using magnetically actuated indicating means for sensing changes in level only at discrete points
G05D 9/04 - Level control, e.g. controlling quantity of material stored in vessel with auxiliary non-electric power
A visually observable display comprising a circuit board including at least one illuminator emitting light outwardly from a surface of the board, a light transmissive display window pane operable to receive light at an inner surface and transmit the light through an outer surface, and an insert disposed between the illuminator and the display window pane. The insert comprises an elongated light distributing conduit receiving light from the at least one illuminator at a first location in a direction substantially perpendicular to the display window pane, distributing the light transversely through the light conduit along the inner surface of the display window pane, and redirecting the distributed light outwardly along an outer wall of the conduit and outwardly through the window pane. The display may include multiple light illuminators emitting light outwardly from the board surface and into the light distributing conduit at discrete locations along the conduit.
A pump for pumping liquids containing entrained solids. The pump is comprised of a volute surrounding an impeller comprising vanes that are self-cleaning. The outer surfaces of the vanes are coplanar and define a first plane and have a leading edge. The volute is comprised of a planar mating surface defining a second plane parallel to the first plane of the rotary impeller. The planar mating surface is proximate to the outer surfaces of the vanes and is comprised of a plurality of channels extending radially from the inner perimeter to the outer perimeter thereof. Each channel includes a forward edge in the direction of impeller rotation. The channels are oriented such that when the impeller is rotated within the volute, for any vane, the leading edge of the vane traverses each channel progressively from the inner end of the channel to the outer end of the channel.
F04D 1/00 - Radial-flow pumps, e.g. centrifugal pumpsHelico-centrifugal pumps
F04D 29/62 - MountingAssemblingDisassembling of radial or helico-centrifugal pumps
F04D 7/04 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogeneous
F04D 29/16 - Sealings between pressure and suction sides
F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
A liquid pump including a motor housing, a motor, a volute housing joined to the motor housing, and upper and lower seals contained in the volute housing. The motor housing has a motor housing side wall including a distal end joined to the volute housing. The motor includes a rotatable shaft that extends into the volute housing. The volute housing includes an upper volute wall having a major portion in direct fluid communication with the motor housing volume, thereby enabling a high rate of heat transfer from the motor to the fluid in the volute that is being pumped. In that manner, the pump has dual seal capability that reduces the risk of motor damage due to a seal failure, while also having a high rate of heat transfer out of the motor housing, which reduces the risk of failure of the motor from operating at a high temperature.
09 - Scientific and electric apparatus and instruments
Goods & Services
Computer application software and downloadable mobile applications for monitoring sump pumps, sewage pumps, pump systems, or ambient environmental conditions, with alarm and reporting functions; computer application software and downloadable mobile applications for monitoring sump pumps, sewage pumps, pump systems, or ambient environmental conditions, and transmitting data via wireless communication networks; computer chips and sensors for monitoring sump pumps, sewage pumps, pump systems, or ambient environmental conditions, and transmitting data via wireless communication networks; alarms for monitoring sump pumps, sewage pumps, and pump systems
09 - Scientific and electric apparatus and instruments
Goods & Services
Computer application software and downloadable mobile applications for monitoring sump pumps, sewage pumps, pump systems, or ambient environmental conditions, with alarm and reporting functions; computer application software and downloadable mobile applications for monitoring sump pumps, sewage pumps, pump systems, or ambient environmental conditions, and transmitting data via wireless communication networks; computer chips and sensors for monitoring sump pumps, sewage pumps, pump systems, or ambient environmental conditions, and transmitting data via wireless communication networks; alarms for monitoring sump pumps, sewage pumps, and pump systems
A basin for use in liquid handling, such as sewage handling. The basin is comprised of a bottom wall, a side wall, and an open top, and a hanging feature formed in the body of the basin. A basin assembly for liquid handling may include the basin, and a hanging member suspended from the hanging feature within the basin. One or more level switches may be attached to the hanging member. A sewage handling system may include the basin assembly, a top cover fastenable to the open top of the basin, and a pump disposed in the basin.
A pump for pumping liquids containing entrained solids. The pump includes a volute surrounding an impeller comprising vanes that are self-cleaning. The outer surfaces of the vanes are coplanar and define a first plane and have a leading edge. The volute includes a planar mating surface defining a second plane parallel to the first plane of the rotary impeller. The planar mating surface is proximate to the outer surfaces of the vanes and includes a plurality of channels extending radially from the inner perimeter to the outer perimeter thereof. Each channel includes a forward edge in the direction of impeller rotation. The channels are oriented such that when the impeller is rotated within the volute, for any vane, the leading edge of the vane traverses each channel progressively from the inner end of the channel to the outer end of the channel.
F04D 1/00 - Radial-flow pumps, e.g. centrifugal pumpsHelico-centrifugal pumps
F04D 7/04 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogeneous
F04D 29/16 - Sealings between pressure and suction sides
F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
A pump for pumping liquids containing entrained solids. The pump is comprised of a volute surrounding an impeller comprising vanes that are self- cleaning. The outer surfaces of the vanes are coplanar and define a first plane and have a leading edge. The volute is comprised of a planar mating surface defining a second plane parallel to the first plane of the rotary impeller. The planar mating surface is proximate to the outer surfaces of the vanes and is comprised of a plurality of channels extending radially from the inner perimeter to the outer perimeter thereof. Each channel includes a forward edge in the direction of impeller rotation. The channels are oriented such that when the impeller is rotated within the volute, for any vane, the leading edge of the vane traverses each channel progressively from the inner end of the channel to the outer end of the channel.
F04D 7/04 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogeneous
A basin for use in liquid handling, such as sewage handling. The basin is comprised of a bottom wall, a side wall, and an open top, and a hanging feature formed in the body of the basin. A basin assembly for liquid handling may include the basin, and a hanging member suspended from the hanging feature within the basin. One or more level switches may be attached to the hanging member. A sewage handling system may include the basin assembly, a top cover fastenable to the open top of the basin, and a pump disposed in the basin.
A macerating apparatus for a toilet in which the problem of jamming the macerator at startup is solved by rapidly detecting the flushing of the toilet and accelerating the macerator before motion-jamming solid objects in the effluent from the toilet can reach the macerator. The macerating apparatus may be comprised of a macerating cutter operatively connected to a motor, and a sensor in communication with the motor. The sensor may detect the flow of effluent from the toilet toward the macerator, the flow of makeup water from the supply tank into the toilet, or the mechanical action of the mechanism used to flush the toilet. The apparatus may include an intake basket having an asymmetric inlet tube and containing the macerating cutter, wherein the asymmetry of the inlet tube provides additional operating clearance between a cutting blade of the macerating cutter and the intake basket.
E03D 9/10 - Waste-disintegrating apparatus combined with the bowl
B02C 18/00 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like
E03D 11/11 - Bowls combined with a reservoir, e.g. containing apparatus for disinfecting or for disintegrating
A macerating apparatus for a toilet in which the problem of jamming the macerator at startup is solved by rapidly detecting the flushing of the toilet and accelerating the macerator before motion-jamming solid objects in the effluent from the toilet can reach the macerator. The macerating apparatus may be comprised of a macerating cutter operatively connected to a motor, and a sensor in communication with the motor. The sensor may detect the flow of effluent from the toilet toward the macerator, or other parameters indicative of toilet flushing. The apparatus may include an intake basket having an asymmetric inlet tube and containing the macerating cutter, wherein the asymmetry of the inlet tube provides additional operating clearance between a cutting blade of the macerating cutter and the intake basket. An anti-airlock pump is also disclosed, which may be used in the macerator, or in other pumping applications.
A macerating apparatus for a toilet in which the problem of jamming the macerator at startup is solved by rapidly detecting the flushing of the toilet and accelerating the macerator before motion-jamming solid objects in the effluent from the toilet can reach the macerator. The macerating apparatus may be comprised of a macerating cutter operatively connected to a motor, and a sensor in communication with the motor. The sensor may detect the flow of effluent from the toilet toward the macerator, or other parameters indicative of toilet flushing. The apparatus may include an intake basket having an asymmetric inlet tube and containing the macerating cutter, wherein the asymmetry of the inlet tube provides additional operating clearance between a cutting blade of macerating cutter and the intake basket. An anti- airlock pump is also disclosed, which may be used in the macerator, or in other pumping applications.
A macerating apparatus for a toilet in which the problem of jamming the macerator at startup is solved by rapidly detecting the flushing of the toilet and accelerating the macerator before motion-jamming solid objects in the effluent from the toilet can reach the macerator. The macerating apparatus may be comprised of a macerating cutter operatively connected to a motor, and a sensor in communication with the motor. The sensor may detect the flow of effluent from the toilet toward the rnacerator, or other parameters indicative of toilet flushing. The apparatus may include an intake basket having an asymmetric inlet tube and containing the macerating cutter, wherein the asymmetry of the inlet tube provides additional operating clearance between a cutting blade of macerating cutter and the intake basket. An anti- airlock pump is also disclosed, which may be used in the macerator, or in other pumping applications.
A macerating apparatus for a toilet in which the problem of jamming the macerator at startup is solved by rapidly detecting the flushing of the toilet and accelerating the macerator before motion-jamming solid objects in the effluent from the toilet can reach the macerator. The macerating apparatus may be comprised of a macerating cutter operatively connected to a motor, and a sensor in communication with the motor. The sensor may detect the flow of effluent from the toilet toward the macerator, or other parameters indicative of toilet flushing. The apparatus may include an intake basket having an asymmetric inlet tube and containing the macerating cutter, wherein the asymmetry of the inlet tube provides additional operating clearance between a cutting blade of the macerating cutter and the intake basket. An anti-airlock pump is also disclosed, which may be used in the macerator, or in other pumping applications.
A macerating apparatus for a toilet in which the problem of jamming the macerator at startup is solved by rapidly detecting the flushing of the toilet and accelerating the macerator before motion-jamming solid objects in the effluent from the toilet can reach the macerator. The macerating apparatus may be comprised of a macerating cutter operatively connected to a motor, and a sensor in communication with the motor. The sensor may detect the flow of effluent from the toilet toward the macerator, the flow of makeup water from the supply tank into the toilet, or the mechanical action of the mechanism used to flush the toilet. The apparatus may include an intake basket having an asymmetric inlet tube and containing the macerating cutter, wherein the asymmetry of the inlet tube provides additional operating clearance between a cutting blade of the macerating cutter and the intake basket.
E03D 9/10 - Waste-disintegrating apparatus combined with the bowl
B02C 18/00 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like
E03D 11/11 - Bowls combined with a reservoir, e.g. containing apparatus for disinfecting or for disintegrating
A pump having anti-airlock provisions. The pump is comprised of a volute comprised of a volute wall, and an impeller comprising back vanes on a side of the impeller that is proximate to the volute wall, with the back vanes having a length extending radially outwardly along the impeller. A bleed hole is formed in the volute wall in communication with the portion of the volute between the back vanes and the volute wall, and the exterior of the volute, such that the bleed hole is located midway along the length of the back vanes. When the pump is operating with air, liquid, or a combination of air and liquid in the volute, the bleed hole is under positive pressure with respect to the exterior of the volute. The bleed hole may be in communication with the exterior of the volute through a lateral tunnel formed in the pump.
A macerating apparatus for a toilet in which the problem of jamming the macerator at startup is solved by rapidly detecting the flushing of the toilet and accelerating the macerator before motion-jamming solid objects in the effluent from the toilet can reach the macerator. The macerating apparatus may be comprised of a macerating cutter operatively connected to a motor, and a sensor in communication with the motor. The sensor may detect the flow of effluent from the toilet toward the macerator, the flow of makeup water from the supply tank into the toilet, or the mechanical action of the mechanism used to flush the toilet. The apparatus may include an intake basket having an asymmetric inlet tube and containing the macerating cutter, wherein the asymmetry of the inlet tube provides additional operating clearance between a cutting blade of the macerating cutter and the intake basket.
An alarm system is provided for generating an alert when a water-powered sump pump is activated and water is being used by the water-powered sump pump. The alarm system includes a water sensor for detecting if water within a sump reaches the sensor and a housing for containing sensor electronics, wherein the water sensor is supported by the housing. In addition, a clamp is attached to the housing for releasably attaching the housing to a pipe such that the alarm system may be positioned to alert a user when water-powered sump pump is activated.
F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
G08B 21/00 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
A cutting assembly for a grinder pump comprised of a rotary cutter rotatable against an opposing plate cutter. The cutting edges of the plate cutter include a plurality of V-slice cutting teeth, which create bridging spaces to pinch material which is being sucked in to ports and begin cutting along the V-slice and then for cut material to pass through and onward into the volute of the pump. The rotary cutter has a ground edge with a rake angle which shears the gathered material in cooperation with the cutting edges of the plate cutter. A grinder pump including the cutter assembly is also disclosed.
A cover assembly for covering a vessel comprising a main cover comprising at least a first outlet opening adapted for connection to a pipe, and a second opening surrounded by a flat region adapted for placement of a gasket; an access cover comprising a flat region adapted for mating with the flat region of the main cover; and provisions for the sealing of at least one cord passing between the main cover and the access cover. In other embodiments, the cover assembly is provided with an engagement feature adapted for engagement with a hook-shaped hanger rod. Sewage basin assemblies are also provided which incorporate these cover assemblies.
A cover assembly for covering a vessel comprising a main cover comprising at least a first outlet opening adapted for connection to a pipe, and a second opening surrounded by a flat region adapted for placement of a gasket; an access cover comprising a flat region adapted for mating with the flat region of the main cover; and provisions for the sealing of at least one cord passing between the main cover and the access cover. In other embodiments, the cover assembly is provided with an engagement feature adapted for engagement with a hook-shaped hanger rod. Sewage basin assemblies are also provided which incorporate these cover assemblies.
A portable self-priming transfer pump comprising a one piece unitary housing, comprised of a first portion that houses a motor, a second casing portion within which is formed a pump cavity, and a handle; and a one piece cover fitted to the outboard end of the second portion of the housing.
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
F01D 25/16 - Arrangement of bearingsSupporting or mounting bearings in casings
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
