Patents by Inventor Chi-Der Chen
Chi-Der Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11440817Abstract: A sterilizer for an aquarium includes a pump for sucking water in an aquarium and a filtering member for filtering the water. The pump includes an inlet from which the water in the aquarium is sucked. The filtering member is connected to the underside of the pump and includes an outlet through which the filtered water flows back into the aquarium. Multiple reflectors are connected to the periphery of the filtering member, and a coat is mounted to outside of the filtering member and covers the reflectors. Multiple ultraviolet sterilizer bulbs are located in the filtering member so as to treat the water sucked from the pump. A cotton sleeve is mounted to the pump and located around the inlet to remove debris and grease.Type: GrantFiled: May 12, 2020Date of Patent: September 13, 2022Inventor: Chi-Der Chen
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Publication number: 20210354999Abstract: A sterilizer for an aquarium includes a pump for sucking water in an aquarium and a filtering member for filtering the water. The pump includes an inlet from which the water in the aquarium is sucked. The filtering member is connected to the underside of the pump and includes an outlet through which the filtered water flows back into the aquarium. Multiple reflectors are connected to the periphery of the filtering member, and a coat is mounted to outside of the filtering member and covers the reflectors. Multiple ultraviolet sterilizer bulbs are located in the filtering member so as to treat the water sucked from the pump. A cotton sleeve is mounted to the pump and located around the inlet to remove debris and grease.Type: ApplicationFiled: May 12, 2020Publication date: November 18, 2021Inventor: Chi-Der Chen
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Publication number: 20100043718Abstract: A submerged motor for use in an aquarium is disclosed to include a housing one or water input ports and two water output ports, a driving mechanism having a left-sided water pumping device and a right-sided water pumping device for pumping water through the water input ports and the water output port in different directions, and an electric controller electrically connected with the driving mechanism for controlling operation of the left-sided water pumping device and the right-sided water pumping device to change direction and flowing speed of the pumped water.Type: ApplicationFiled: August 22, 2008Publication date: February 25, 2010Inventor: Chi-Der Chen
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Patent number: 7535139Abstract: A bi-directional reversible submersible motor, which includes a housing having an inside bracket, two water guide plates fastened to the two distal ends of the housing and covered with a respective cap, a locating rod connected between the water guide plates, a sleeve affixed to the bracket and holding a winding, a magnetic shaft and fan blade assembly rotatably supported on the locating rod in the sleeve for rotating two fan blades to pump water when the winding is electrically energized, and a controller for controlling the supply of electric current to the winding to control the direction and time of rotation of the fan blades.Type: GrantFiled: September 26, 2006Date of Patent: May 19, 2009Inventor: Chi-Der Chen
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Publication number: 20080073990Abstract: A bi-directional reversible submersible motor, which includes a housing having an inside bracket, two water guide plates fastened to the two distal ends of the housing and covered with a respective cap, a locating rod connected between the water guide plates, a sleeve affixed to the bracket and holding a winding, a magnetic shaft and fan blade assembly rotatably supported on the locating rod in the sleeve for rotating two fan blades to pump water when the winding is electrically energized, and a controller for controlling the supply of electric current to the winding to control the direction and time of rotation of the fan blades.Type: ApplicationFiled: September 26, 2006Publication date: March 27, 2008Inventor: Chi-Der Chen
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Publication number: 20070252458Abstract: A reversible submerged motor includes a double open end housing with an inside bracket, a barrel-like axle holder, which is affixed to the bracket of the housing and holds a winding around a tubular axle thereof, and a vane holder, which has a shaft pivotally supported in the tubular axle of the barrel-like holder, magnets equiangularly arranged outside the barrel-like axle holder corresponding to the winding, and a vane disposed outside the housing for moving water, two slotted semispherical caps respectively fastened to the two distal ends of the housing, two guards respectively fastened to the two ends of the housing around the semispherical caps for controlling water flowing angle, and a controller with a timer for controlling forward/backward alternative rotation time of the vane holder.Type: ApplicationFiled: April 27, 2006Publication date: November 1, 2007Inventor: Chi-Der Chen
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Publication number: 20070253844Abstract: A submerged motor includes a housing, a barrel-like axle holder, which is affixed to the inside of the housing and holds a winding around a tubular axle thereof, and a vane holder, which is pivotally capped on the barrel-like axle holder, having a shaft extending from one side and pivotally supported in the tubular axle of the barrel-like holder, magnets equiangularly arranged outside the barrel-like axle holder corresponding to the winding, and a vane disposed outside the housing for moving water to produce air bubbles upon connection of electricity to the winding.Type: ApplicationFiled: April 27, 2006Publication date: November 1, 2007Inventor: Chi-Der Chen
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Publication number: 20050031462Abstract: This invention discloses a silent device of submerge motor for aquarium, comprising a main body, a plurality of partition boards arranged in the interlaced longitudinal and transversal directions, an open passage individually disposed at the upper and lower sections of the longitudinal and transversal partition, an air inlet and an air outlet disposed at the bottom and the top of the main body respectively, a filter cotton and a netted cover disposed at the top the main body, such that the air outlet is connected to the air inlet duct of a submerge motor. After the air enters the main body through the air inlet, the air form upper and lower turnabout passages by the interlaced partition boards to lengthen the conveyance path and diminish the molecular collision in order to achieve the silent effect.Type: ApplicationFiled: August 7, 2003Publication date: February 10, 2005Inventor: Chi-Der Chen
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Publication number: 20040115078Abstract: A water pump motor is constructed to include a housing, the housing having a conical water guide chamber gradually expanding from the top side toward the bottom side, water inlets around the periphery for guiding water into the water guide chamber, and an air passage for guiding air into the water guide chamber to mix with water, a vane wheel fastened to a motor shaft inside the housing and suspended in the water guide chamber, the vane wheel having triangular vanes radially arranged at the top around the motor shaft, a hollow water outlet pipe holder coupled to the bottom shell to hold a water outlet pipe, the water outlet pipe holder having radial dampers equiangularly spaced around the inside wall to guide water toward the water outlet pipe.Type: ApplicationFiled: December 11, 2002Publication date: June 17, 2004Inventor: Chi-Der Chen
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Patent number: 6746219Abstract: A water pump motor is constructed to include a housing, the housing having a conical water guide chamber gradually expanding from the top side toward the bottom side, water inlets around the periphery for guiding water into the water guide chamber, and an air passage for guiding air into the water guide chamber to mix with water, a vane wheel fastened to a motor shaft inside the housing and suspended in the water guide chamber, the vane wheel having triangular vanes radially arranged at the top around the motor shaft, a hollow water outlet pipe holder coupled to the bottom shell to hold a water outlet pipe, the water outlet pipe holder having radial dampers equiangularly spaced around the inside wall to guide water toward the water outlet pipe.Type: GrantFiled: December 11, 2002Date of Patent: June 8, 2004Inventor: Chi-Der Chen
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Patent number: 6719525Abstract: A submerged motor vane wheel rotation direction control structure includes a blade pivoted to a locating block inside of the water guide chamber of a submerged motor, a vane wheel, the vane wheel having sloping teeth radially extended from the motor shaft of the submerged motor, which push the blade outwards toward to an open position for the passing of flow of water upon clockwise rotation of the vane wheel, and is forced into engagement with the blade to hold the blade in a close position upon counter-clockwise rotation of the vane wheel, causing the submerged motor to reverse the vane wheel.Type: GrantFiled: December 20, 2001Date of Patent: April 13, 2004Inventor: Chi-Der Chen
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Publication number: 20030205512Abstract: An external type filter structure for an aquarium includes a box-like body, which is provided with first and second chambers. The first chamber is provided with a bent extraction pump guide tube. The second chamber has a drip case which has a plurality of through holes and a filter sponge disposed at an upper end thereof. A partition plate is disposed between the first and second chambers such that, when the filter is hung on the aquarium, the extraction pump guide tube pumps the dirty water into the first chamber. The water overflowing from the first chamber flows via an upper end of the partition plate into the second chamber for filtering via a filter mesh and the drip case to thereby enhance the filtering effect and permit culturing of nitrogenous bacteria and decomposition of impurities such as ammonia in the water.Type: ApplicationFiled: May 6, 2002Publication date: November 6, 2003Inventor: Chi-Der Chen
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Publication number: 20030118441Abstract: A submerged motor vane wheel rotation direction control structure includes a blade pivoted to a locating block inside of the water guide chamber of a submerged motor, a vane wheel, the vane wheel having sloping teeth radially extended from the motor shaft of the submerged motor, which push the blade outwards toward to an open position for the passing of flow of water upon clockwise rotation of the vane wheel, and is forced into engagement with the blade to hold the blade in a close position upon counter-clockwise rotation of the vane wheel, causing the submerged motor to reverse the vane wheel.Type: ApplicationFiled: December 20, 2001Publication date: June 26, 2003Inventor: Chi-Der Chen
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Patent number: 5877566Abstract: A submersible magnetic motor having improved rotary blades comprising a magnetic motor body, a magnetic rotor and a rotary impeller wherein the rotary impeller comprises a rotary hub provided with a plurality of blades which are uniformly distributed and extend outwardly around the periphery of the hub. The rotary hub is provided with an axial hole centrally formed therethrough for positioning an end of a central shaft of the magnetic rotor. The present invention is characterized in that the blades are each provided at the outer end edge with two stoppers and a fin freely pivoted therebetween, so as to be adjacent to the inner surface of the wall of the receiving chamber of the submersible motor. When the magnetic rotor is actuated to rotate, the fins each pivots to contact one of the two stoppers due to the resistance of the water such that the submersible motor can be maintained at a constant rotation speed, and the water pumping efficacy can be substantially improved.Type: GrantFiled: November 3, 1997Date of Patent: March 2, 1999Inventor: Chi-Der Chen
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Patent number: 5380160Abstract: A protein skimmer for clearing the impurities in an aquarium, comprising a skimmer body, an impurities collector, a top cover, a power head, an intermediate partition plate, a side partition plate, a transverse partition plate, a foam grid and a plurality of filtering cotton, wherein the impurities collector covers the top of the skimmer body and the upper end thereof is enclosed by the top cover. The foam grid is located at the interior of the lower end of the collector. The intermediate partition plate is disposed at the intermediate zone of the upper half portion of the skimmer body, so as to divide the internal space of the body into a large and a small bubble collecting chambers. The side and transverse partition plates are respectively located at the side and bottom of the small bubble chamber to define two filtering chambers therein. The power head is mounted to the lower portion of the skimmer body and is in connection with the large bubble collecting chamber at the water inlet of the body.Type: GrantFiled: September 23, 1993Date of Patent: January 10, 1995Inventor: Chi-Der Chen
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Patent number: 5345305Abstract: This invention relates to an aquarium light meter including a light sensing device, a pivotal assembly connecting the light sensing device to a pair of telescopic tubes, a controller, and a signal wire connected to the light sensing device and passing through the pivotal assembly and telescopic tubes for connection to the controller. The aquarium light meter is adjustable in length and direction of light detection in accordance with the shape of the aquarium and the location of ornaments therein so that the light intensity at any predetermined portions of the aquarium can be precisely detected.Type: GrantFiled: April 22, 1993Date of Patent: September 6, 1994Inventor: Chi-Der Chen
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Patent number: 5282962Abstract: A protein skimmer for clearing the impurities in an aquarium, comprising a skimmer body, an impurities collector, a top cover, a power head, an intermediate partition plate, a side partition plate, a transverse partition plate, a foam grid and a plurality of filtering cotton, wherein the impurities collector covers the top of the skimmer body and the upper end thereof is enclosed by the top cover. The foam grid is located at the interior of the lower end of the collector. The intermediate partition plate is disposed at the intermediate zone of the upper half portion of the skimmer body, so as to divide the internal space of the body into a large and a small bubble collecting chambers. The side and transverse partition plates are respectively located at the side and bottom of the small bubble chamber to define two filtering chambers therein. The power head is mounted to the lower portion of the skimmer body and is in connection with the large bubble collecting chamber at the water inlet of the body.Type: GrantFiled: July 17, 1992Date of Patent: February 1, 1994Inventor: Chi-Der Chen