34results about How to "Prevent suction loss" patented technology

A removable manifold for a medical/surgical waste collection system. The manifold is dimensioned to be mounted to a receiver integral with the system. The manifold includes a driver for engaging a complementary valve internal to the receiver. The valve regulates flow between the receiver and the down line components of the waste collection system. The valve is normally closed. When the manifold is fitted to the receiver the driver engages the valve so as move the valve to the open position. This allows fluid flow from the manifold and receiver to the downstream components of the system.

A cyclone separating apparatus and a vacuum cleaner having the same are disclosed. More specifically, the cyclone separating apparatus for a vacuum cleaner comprises a first cyclone for separating drawn-in air, and a plurality of second cyclones installed on an outer periphery of the first cyclone to enclose the first cyclone. Accordingly, because a plurality of the cyclones separates dust, and a bulky structure is improved to a compact structure, suction force deterioration does not occur, and, dust-collecting efficiency is increased.

In a suction nozzle (20), a sucking surface (60) is made larger in area than a to-be-sucked surface of a component (55) and is configured arbitrarily so long as a width (G1) between mutually-opposed sides parallel to a longer side (110) of the component to be sucked is smaller than a width (G2) in a direction parallel to a shorter side (111) of the component to be sucked. The suction nozzle sucks a component at its sucking surface, with a longitudinal axis (O) of the sucking surface (60) kept inclined with respect to a direction (J) in which the component is supplied.

An edge trimming apparatus includes a chuck table that causes a ring-shaped groove with an outer diameter smaller than the outer diameter of a wafer to communicate with a suction source to hold under suction a lower surface of the wafer by the ring-shaped groove, a cutting unit that rotates a cutting blade and annularly cuts a circumferential part of the wafer held by the chuck table, and a cleaning unit that cleans a region outside the ring-shaped groove in the upper surface of the table and the upper surface of the table including the ring-shaped groove. The cleaning unit is positioned to the region outside the ring-shaped groove in the upper surface of the table and the upper surface of the chuck table including the ring-shaped groove, and the chuck table is rotated to clean the ring-shaped groove and the upper surface.

A dust container of an upright type vacuum cleaner, and a supporting structure for a cover of the dust container are disclosed. The dust container comprises a circular cover having a suction port and an exhaust port, a guide member attached to a lower surface of the cover to guide an air flow, a filter attached to a lower surface of the guide member, and a cylindrical container body provided to the lower surface of the cover to receive the guide member and the filter. The supporting structure for the cover comprises a supporting member positioned within the container body to support the filter such that the filter supports the cover. The cover has the suction port and the exhaust port, respectively, enhancing a suction force of the vacuum cleaner, and preventing deformation of the cover even when a vacuum degree is increased by operation of the vacuum cleaner.

A suction brush for a vacuum cleaner is provided. The suction brush a vacuum cleaner includes a brush main body connected to a cleaner main body and having a dust suction port provided on a bottom surface of the brush main body, first and second wheels rotatably engaged with both sides of the brush main body, and at least one hair removing unit, arranged in front of the suction port of the brush main body, for receiving rotation drive forces from the first and second wheels and raking up hair existing on a surface to be cleaned toward the dust suction port.

A laser processing apparatus has a suction unit for suctioning debris. The suction unit includes a debris trapping chamber and a cleaning unit for cleaning the inside of the debris trapping chamber. The cleaning unit includes a shutter for closing an opening of the debris trapping chamber and a cleaning water supply port for supplying cleaning water to the debris trapping chamber when the opening thereof is closed. The shutter closes the opening of the debris trapping chamber, the suction unit exerts a suction through the suction port, and cleaning water is supplied from the cleaning water supply port to the debris trapping chamber and suctioned through the suction port to clean the inside of the debris trapping chamber.

A vacuum cleaner includes a first dirt separation unit and a second dirt separation unit. The first dirt separation unit has a first inlet port through which a suction air stream including dirt particles is introduced thereinto, and the second dirt separation unit has a second inlet port through which the air stream introduced into the first dirt separation unit is introduced into the second dirt separation. The first and the second inlet port are disposed such that they are not registered with each other. Accordingly, the dirt particles suctioned are separated in two stages, thereby decreasing the possibility of occlusion of a filter and rapid deterioration of a suction force.

The invention discloses an intelligent dust collector convenient for cleaning a filter net. The intelligent dust collector comprises a dust collector body, a first reset spring and a collection box, wherein a motor is arranged in the dust collector body, an exhaust hole is formed in the upper part of the motor, an air inlet pipe is arranged on the right side of the motor, an air inlet is formed inthe left side of a filter box, a hydraulic cylinder is arranged above the filter box, and a movable plate is arranged below the hydraulic cylinder; the first reset spring is arranged inside the lowerend of a movable rod, a rotating shaft is arranged on the inner side of a movable block and penetrates through a rolling brush, and the rolling brush is arranged on the side surface of the filter net; and a second reset spring is arranged in the lower side wall of the dust collector body, and the collection box is arranged on the lower side of the filter box. According to the intelligent dust collector, the extrusion block extrudes the dust collector body by the through the second reset spring and is clamped with a clamping slot, so that the stability of the collection box is improved.

An electric vacuum cleaner includes an inlet port through which a suctioned air stream including dirt particles pass and a centrifugal separation member having a substantially circular space therein. The centrifugal separation member has a swirl portion to swirl the dust-laden suction air stream along an inner surface of the centrifugal separation member. By forming swirl passageway between the swirl portion and the inner surface of the centrifugal separation member, the high velocity swirling air stream can be made and consequently an efficiency of separating the dirt particles from the suction air and collecting the dirt particles can be improved.

A rotary compressor includes a cylinder that is coupled to an inner space of a casing and that defines a compression space, a first bearing and a second bearing located at upper and lower sides of the cylinder, a roller disposed eccentrically with respect to an inner circumferential surface of the cylinder to vary a volume of the compression space based on rotation, and a vane inserted into the roller to rotate together with the roller, and drawn out toward the inner circumferential surface of the cylinder during the rotation of the roller to partition the compression space into a plurality of compression chambers. A suction passage communicating with the compression space is defined in the first bearing or the second bearing, and a suction port communicating between the suction passage and the compression space is defined on a side surface of the cylinder.

A dust container of an upright type vacuum cleaner, and a supporting structure for a cover of the dust container are disclosed. The dust container comprises a circular cover (20) having a suction port (21) and an exhaust port (22), a guide member (30) attached to a lower surface of the cover 20 to guide an air flow, a filter (40) attached to a lower surface of the guide member (30), and a cylindrical container body (50) provided to the lower surface of the cover to receive the guide member (30) and the filter (40). The supporting structure for the cover comprises a supporting member (201) positioned within the container body to support the filter such that the filter supports the cover. The cover has the suction port and the exhaust port, respectively, enhancing a suction force of the vacuum cleaner, and preventing deformation of the cover even when a vacuum degree is increased by operation of the vacuum cleaner.

The invention provides a milk box pricking needle assembly and a milk suction method. The milk box pricking needle assembly is provided with a pricking needle; a first oblique cut opening which can pierce a milk box is formed in the lower end of the pricking needle; and a plurality of strip-shaped receding surfaces in the vertical direction are arranged at the end, adjacent to the first oblique cut opening, of the outer wall of the pricking needle in the circumferential direction. When the pricking needle pierces the milk box, the first oblique cut opening pierces the milk box to form a pierced opening in the milk box; and a gap is formed between the receding surfaces and the pierced opening for air to enter, so that the suction is prevented from reducing when the pricking needle sucks milk in the milk box.

A processing apparatus includes a chuck table for holding a plate-like workpiece under suction. A suction unit is connected to the chuck table, and a processing unit is configured to process the workpiece while supplying processing water to the workpiece. The suction unit includes a first suction source, a first pipe providing fluid communication between the first suction source and the chuck table, a separator arranged in the first pipe, for separating a gas and a liquid drawn in from the chuck table, and a water discharging unit configured to discharge the liquid separated by the separator. The water discharging unit includes a second suction source, a second pipe providing fluid communication between the second suction source and a water discharge port of the separator, and a check valve arranged in the second pipe, for preventing a fluid from flowing from the second suction source to the separator.

A nozzle assembly of a vacuum cleaner is provided that includes a casing, a suction port, a drum brush, a fan, and a blocking plate. The drum brush is rotatably disposed in the casing so drum bristles hit a surface being cleaned. The fan is disposed in the casing to be rotated by air drawn in through the suction port so that the fan rotates the drum brush. The blocking plate is adjacent to the front of the fan to screen most of the fan except for a lower portion of the fan. The fan includes a circular fan body, a shaft member, and a plurality of blades. The inside edge of each of the blades is at a distance from the shaft member so that the drawn-in air passes through a space defined between the inside edge of each of the blades and the shaft member.

The invention discloses a wall surface polishing device for building decoration. The wall surface polishing device structurally comprises a polishing disc, a driving motor, a damping frame, a dust suction pipe and a holding handle, wherein the polishing disc is fixed at the bottom of the driving motor, the middle of the polishing disc is connected by the damping frame, the dust suction pipe penetrates through the center of the holding handle and is connected with the polishing disc, and a movable lug on the right side of the holding handle is fixed to the surface of the upper end of the polishing disc through welding. The wall surface polishing device has the beneficial effects that first-order rotary blades and second-order rotary blades are arranged in a staggered mode to form blades, the blades rotate along a positioning rotating shaft and a driving middle shaft under the action of wind power, a plurality of protrusions are arranged on the surfaces of the first-order rotary blades,the first-order rotary blades are hooked up when passing through the inner wall of a filter screen with attached fibers, the second-order rotary blades collect the hooked fibers and guide the fibers into a containing cavity, so that the dust suction efficiency is improved, and the situation that too much dust is generated inside due to the fact that the suction force is reduced due to long-time use is avoided.