Abstract: A reinforced top cover structure for a chemical filter includes a cover member made of injection molded plastic material and covering a metal-made core board mounted with multiple positioning pillars. Each positioning pillar has an upper section extending upwardly from a top surface of the core board, a middle section connected to the upper section and extending through a corresponding one of multiple positioning holes in the core board, and a lower positioning part connected to the middle section and extending downwardly from the bottom surface of the core board. The core board has an annular peripheral surface formed with multiple notches. The cover member has an outer peripheral surface surrounding the annular peripheral surface of the core board and formed with multiple engaging grooves that correspond respectively to the notches in position.

Abstract: A canned motor device includes a base unit, a motor, and front and rear covers. The base unit includes a side surface including inner and outer annular segments. The motor is mounted in the base unit and includes a flange. The rear cover is mounted in the base unit and includes a disk clamped sealingly between the flange and the inner annular segment. The front cover has an end abutting against the side surface and includes inner and outer surrounding segments. The disk and flange are clamped sealingly between the inner annular and surrounding segments. A first sealing element is disposed between the base unit and the disk. A second sealing element is disposed between the outer annular segment and the outer surrounding segment to form an airtight seal between the base unit and the front cover.

Abstract: A canned motor device includes a base, a fixed seat, a motor unit, a motor cover and a main cover. The base is formed in a shape of a hollow cylinder that surrounds an axis, and defines an accommodating space in which the fixed seat is disposed. The motor unit includes a stator, a rotor and an impeller. The motor cover is disposed on the base and covers the impeller. The main cover is located at one side of the base opposite to the motor cover along the axis, and has an inner surface, an annular protrusion that protrudes from the inner surface and that has an annular end surface, and an inner heat-dissipating space that is defined by the inner surface and the annular protrusion and that is adjacent to the stator.

Abstract: A canned motor device includes a motor unit that includes an inner rotor having a plurality of engaging grooves and a plurality of protrusions, and an impeller having a plurality of engaging hooks and a plurality of inner grooves. Each of the protrusions has at least one lateral protrusion surface. Each of the inner grooves is defined by a main groove surface, two lateral groove surfaces and a groove end surface. When the engaging hooks respectively engage the engaging groove, the protrusions respectively engage the inner grooves in a manner that the at least one lateral protrusion surface of each of the protrusions urges one of the lateral groove surfaces of the respective one of the inner grooves.

Abstract: A canned motor device includes a casing, a rear cover and a leak detector. The rear cover has a main body portion having a cover end wall, and an extended disk portion cooperating with the main body portion to define an accommodating space. The casing and the rear cover cooperatively define an annular groove, a liquid-receiving space and a plurality of guiding grooves therebetween. The leak detector is disposed on one side of the cover end wall opposite to the liquid-receiving space for detecting a change in electrostatic capacity between the leak detector and the liquid-receiving space. The annular groove communicates with the liquid-receiving space, the accommodating space and each of the guiding grooves.

Abstract: A canned motor device includes a base, a fixed seat, a motor unit and a motor cover. Each of the base and the fixed seat is formed in a shape of a hollow cylinder that surrounds an axis. The base has an inner base surface surrounding the axis and defining an accommodating space. The fixed seat is disposed in the accommodating space and has an inner seat surface, an outer seat surface, a plurality of recesses and a plurality of first heat-dissipating fins. The recesses are indented from the outer seat surface and extend toward the inner seat surface. Each of the first heat-dissipating fins is located between two adjacent ones of the recesses.

Abstract: A pump includes a seat unit, a motor unit and a leak detector. The motor unit includes a rotor, an inner case body, an outer case body and a stator. The inner case body has an inner end wall. The outer case body is sleeved on the inner case body and has an outer end wall. The outer end wall cooperates with the inner end wall to define a liquid-receiving space therebetween. The leak detector is disposed on one side of the outer end wall opposite to the liquid-receiving space and includes a sensor for detecting the change of the electrostatic capacity between the liquid-receiving space and the sensor.

Abstract: A canned motor device includes a casing, a rear cover and a leak detector. The rear cover has a main body portion having a cover end wall, and an extended disk portion cooperating with the main body portion to define an accommodating space. The casing and the rear cover cooperatively define an annular groove, a liquid-receiving space and a plurality of guiding grooves therebetween. The leak detector is disposed on one side of the cover end wall opposite to the liquid-receiving space for detecting a change in electrostatic capacity between the leak detector and the liquid-receiving space. The annular groove communicates with the liquid-receiving space, the accommodating space and each of the guiding grooves.

Abstract: A canned motor device includes a base, a fixed seat, a motor unit and a motor cover. Each of the base and the fixed seat is formed in a shape of a hollow cylinder that surrounds an axis. The base has an inner base surface surrounding the axis and defining an accommodating space. The fixed seat is disposed in the accommodating space and has an inner seat surface, an outer seat surface, a plurality of recesses and a plurality of first heat-dissipating fins. The recesses are indented from the outer seat surface and extend toward the inner seat surface. Each of the first heat-dissipating fins is located between two adjacent ones of the recesses.

Abstract: A magnetic drive pump includes a seat unit, a motor unit and a leak detector. The motor unit includes a rotor, an inner case body, an outer case body and a stator. The inner case body has an inner end wall. The outer case body is sleeved on the inner case body and has an outer end wall. The outer end wall cooperates with the inner end wall to define a liquid-receiving space therebetween. The leak detector is disposed on one side of the outer end wall opposite to the liquid-receiving space and includes a sensor for detecting the change of the electrostatic capacity between the liquid-receiving space and the sensor.

Abstract: A canned motor device includes a motor unit and a sensor. The motor unit includes a rotor, a stator, and first and second casing bodies. The first casing body includes a first surrounding wall and a first side wall cooperating with the first surrounding wall to define an accommodating space for accommodating the rotor therein. The second casing body includes a second surrounding wall surrounding the first surrounding wall and a second side wall corresponding in position to the first side wall. The stator surrounds the second surrounding wall. The sensor is mounted to the second casing body and detects a leakage according to a change in electrostatic capacity between the first and second side walls.

Abstract: A canned motor device includes a fixed seat, a motor unit, and a rear cover protector and a leakproof member. The rear cover protector has a main body portion disposed between a case body and a stator of the motor unit and sleeved around a cylindrical portion of the case body, and an extended portion connected to the main body portion, perpendicular to an axis, fluid-tightly abutting against a flange portion of the case body, and having an outer periphery that surrounds the axis and that has an outline larger than that of an annular periphery of the flange portion of the case body. The leakproof member is mounted between the flange portion of the case body and the extended portion of the rear cover protector.

Abstract: A canned motor device includes a fixed seat, a motor unit, and a heat-dissipation cover. The heat-dissipation cover is mounted to the fixed seat and has an inner surface facing and positioned relative to the fixed seat, an outer surface opposite to the inner surface, a protrusion opposite to the inner surface, a mounting groove indenting from the inner surface and having a large-diameter section and a small-diameter section, and a plurality of heat-dissipation fins protruding from the outer surface and surrounding the protrusion. A case body of the motor unit is partially sleeved to a large-diameter section, and a closed end of the cylindrical portion is sleeved to the small-diameter section.

Abstract: A canned motor device includes a base unit, a motor, and front and rear covers. The base unit includes a side surface including inner and outer annular segments. The motor is mounted in the base unit and includes a flange. The rear cover is mounted in the base unit and includes a disk clamped sealingly between the flange and the inner annular segment. The front cover has an end abutting against the side surface and includes inner and outer surrounding segments. The disk and flange are clamped sealingly between the inner annular and surrounding segments. A first sealing element is disposed between the base unit and the disk. A second sealing element is disposed between the outer annular segment and the outer surrounding segment to form an airtight seal between the base unit and the front cover.

Abstract: A canned motor device includes a fixed seat, a motor unit, and a rear cover protector and a leakproof member. The rear cover protector has a main body portion disposed between a case body and a stator of the motor unit and sleeved around a cylindrical portion of the case body, and an extended portion connected to the main body portion, perpendicular to an axis, fluid-tightly abutting against a flange portion of the case body, and having an outer periphery that surrounds the axis and that has an outline larger than that of an annular periphery of the flange portion of the case body. The leakproof member is mounted between the flange portion of the case body and the extended portion of the rear cover protector.

Abstract: A canned motor device includes a fixed seat, a motor unit, and a heat-dissipation cover. The heat-dissipation cover is mounted to the fixed seat and has an inner surface facing and positioned relative to the fixed seat, an outer surface opposite to the inner surface, a protrusion opposite to the inner surface, a mounting groove indenting from the inner surface and having a large-diameter section and a small-diameter section, and a plurality of heat-dissipation fins protruding from the outer surface and surrounding the protrusion. A case body of the motor unit is partially sleeved to a large-diameter section, and a closed end of the cylindrical portion is sleeved to the small-diameter section.

Abstract: A furniture hinge includes an arm member, a casing, an inner link, an outer link, and a resilient device. The arm member includes at least one wall. The at least one wall includes a first mounting structure. The casing can be opened and closed with respect to the arm member. Each of the inner link and the outer link has two end portions respectively and pivotally connected to the arm member and the casing via shafts. The resilient device provides a resilient force acting between the casing and the arm member and includes a second mounting structure to be mounted to the first mounting structure.

Abstract: A furniture hinge includes an arm member, a casing, an inner link, an outer link, and a resilient device. The arm member includes at least one wall. The at least one wall includes a first mounting structure. The casing can be opened and closed with respect to the arm member. Each of the inner link and the outer link has two end portions respectively and pivotally connected to the arm member and the casing via shafts. The resilient device provides a resilient force acting between the casing and the arm member and includes a second mounting structure to be mounted to the first mounting structure.

Abstract: A slide assembly includes a first rail, a second rail and at least one positioning device. The first rail has a first elongate body. The second rail is longitudinally slidable relative to the first rail and has a second elongate body. At least one of the first elongate body and the second elongate body has an installation hole. The at least one positioning device has a support member and a fixing member. The support member transversely extends through the installation hole so as to be transversely and movably connected to the at least one of the first elongate body and the second elongate body. The fixing member is fixed to a portion of the support member.

Abstract: A slide assembly includes a first rail, a second rail and at least one positioning device. The first rail has a first elongate body. The second rail is slidable relative to the first rail and has a second elongate body. At least one of the first elongate body and the second elongate body has an opening. The at least one positioning device has a support member and a dowel. The support member has a fixing portion and a resilient arm connected to the fixing portion. The fixing portion is fixed to the at least one of the first elongate body and the second elongate body. The dowel is disposed on the resilient arm and corresponds in position to the opening.