Patents Assigned to Crastal Technology (shenzhen) Co. Ltd.
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Patent number: 9345358Abstract: An electric steamer includes a cover (1), at least one steamer (2), a juice accumulating plate (3) and a base (4) which are overlapped sequentially from top to bottom. A water storage pool (41) and a control circuit are arranged in the base (4). A pressure sensor (7) is also mounted in the base (4). A steam inlet pipe (72) of the pressure sensor (7) is connected with the juice accumulating plate (3) and a signal output terminal of the pressure sensor (7) is connected with the control circuit through a wire. A steam delivering device (8) is provided between the steam inlet pipe (72) and the juice accumulating plate (3). An upper end of a steam channel (81) is connected with the juice accumulating plate (3). A method for controlling the electric steamer is further provided.Type: GrantFiled: May 24, 2011Date of Patent: May 24, 2016Assignee: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD.Inventors: Bei Zhang, Tianliang Wang
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Patent number: 9021939Abstract: A tea maker provides a simple structural configuration, stable and rigid structure, and low manufacturing cost, and is adapted to effectively separate the tea leaves from the brewed tea for adjustably controlling the concentration of the brewed tea. The tea maker includes a supporting frame, a tea infusing container with a container lid, a tea basket disposed in the tea infusing container, and a control circuit. A sliding arrangement includes a vertical support, a sliding frame slidably coupled at the vertical support, and a resilient element. The sliding frame includes a hanger, an actuator, and a first permanent magnet. The hanger is supported above and aligned with an electromagnet. A second permanent magnet is provided at the outer side of the surrounding wall of the tea basket and is magnetically attracted with the first permanent magnet.Type: GrantFiled: May 24, 2011Date of Patent: May 5, 2015Assignee: Crastal Technology (Shenzhen) Co., Ltd.Inventors: Bei Zhang, Huajin Chen
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Patent number: 8921742Abstract: A toaster cover control device with fireproofing function comprises a cover sliding-frame or a cover opening-closing mechanism and a power switch (K), a cover switch (K1) and a control circuit that are provided in the toaster. The said control circuit is provided with a microprocessor. An output terminal of the control circuit is connected with a transistor (Q1). The said control circuit is connected with a sensor (S). The sensor detects the temperature of the toaster. The control circuit provides a control signal when the detected temperature exceeds the set temperature value, so that a circuit controlling cover action keeps the cover closed. The cover can be opened normally when the detected temperature is lower than the set temperature value. It is also provided with an application method of the said control device.Type: GrantFiled: November 17, 2009Date of Patent: December 30, 2014Assignee: Crastal Technology (Shenzhen) Co., Ltd.Inventors: Bei Zhang, Huajin Chen
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Patent number: 8631737Abstract: The bread toaster includes a toaster frame defining at least one toaster slot for selectively receiving the bread slice, a heating device, and a lid arrangement. The lid arrangement includes a front and a rear sliding member, a plurality of sliding guiders, and at least one toaster lid. The toaster lid is coupled with the front and the rear sliding members in such a manner that the toaster lid is arranged to move between a closed position and an opened position, wherein in the closed position, the toaster lid is moved by the front and the rear sliding members to close the toaster slot, wherein in the opened position, the toaster lid is moved by the front and the rear sliding members to expose the toaster slot to an exterior of the toaster frame.Type: GrantFiled: March 26, 2009Date of Patent: January 21, 2014Assignee: Crastal Technology (Shenzhen) Co., Ltd.Inventors: George Mohan Zhang, Bei Zhang, Huajin Chen
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Patent number: 8561526Abstract: A bread toaster includes an outer cover, a toaster base, a toaster frame mounted on the toaster base, a first sliding member slidably provided on a predetermined side of the toaster frame, a second sliding member also provided on the same predetermined side of the toaster frame, a front supporting frame and a rear supporting frame provided at a front side and a rear side of the toaster frame respectively, a lid arrangement, and a control circuitry, wherein the lid arrangement is arranged to be operated between a closed position and an opened position for closing and opening the toasting slots of the bread toaster.Type: GrantFiled: March 26, 2009Date of Patent: October 22, 2013Assignee: Crastal Technology (Shenzhen) Co., Ltd.Inventors: George Mohan Zhang, Bei Zhang, Huajin Chen, Faxi Huang
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Patent number: 8536490Abstract: An electric kettle includes a kettle body, a base, a heating element and a wireless signal transmission device. The wireless signal transmission device includes a controller circuitry, a first wireless transceiver, a second wireless transceiver, and a light reflection arrangement. The light reflection arrangement includes a first reflective mechanism provided on the kettle body, and a second reflective mechanism provided on the base, wherein when the kettle body is rotatably and detachably coupled with the base through a lower and an upper connector, wherein when one of the first and the second wireless transceiver is activated to generate a wireless signal toward another of the wireless transceiver, the wireless signal is subject to multiple reflections by the first and the second reflective mechanism until the wireless signal reaches the corresponding first and the second wireless transceiver.Type: GrantFiled: November 17, 2009Date of Patent: September 17, 2013Assignee: Crastal Technology (Shenzhen) Co., Ltd.Inventors: George Mohan Zhang, Bei Zhang, Tianliang Wang
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Publication number: 20130098892Abstract: An electric steamer includes a cover (1), at least one steamer (2), a juice accumulating plate (3) and a base (4) which are overlapped sequentially from top to bottom. A water storage pool (41) and a control circuit are arranged in the base (4). A pressure sensor (7) is also mounted in the base (4). A steam inlet pipe (72) of the pressure sensor (7) is connected with the juice accumulating plate (3) and a signal output terminal of the pressure sensor (7) is connected with the control circuit through a wire. A steam delivering device (8) is provided between the steam inlet pipe (72) and the juice accumulating plate (3). An upper end of a steam channel (81) is connected with the juice accumulating plate (3). A method for controlling the electric steamer is further provided.Type: ApplicationFiled: May 24, 2011Publication date: April 25, 2013Applicant: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD.Inventors: Bei Zhang, Tianliang Wang
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Publication number: 20130087107Abstract: A steam generation device includes a water tank, a steam-water separating device including a sealing cover and a base assembly, a guiding valve, at least one heat generating tube, wherein said water tank has a water returning inlet while said base assembly has a water returning tube connected to said water returning inlet, wherein said base assembly has a flat bottom wall and an inclined bottom wall formed at a bottom side of said base assembly at a position near said water returning tube, wherein said steam-water separating device has an air outlet, wherein said water tank further has a water outlet connected to said guiding valve through passage IV, wherein said steam-water separating device and said passage IV are connected with each other. The present invention also provides a household steaming device which is safe, energy efficient and water efficient.Type: ApplicationFiled: May 23, 2011Publication date: April 11, 2013Applicant: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD.Inventors: Bei Zhang, Tianliang Wang, Faxi Hang, Caihe Feng
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Publication number: 20130055901Abstract: A tea maker provides a simple structural configuration, stable and rigid structure, and low manufacturing cost, and is adapted to effectively separate the tea leaves from the brewed tea for adjustably controlling the concentration of the brewed tea. The tea maker includes a supporting frame, a tea infusing container with a container lid, a tea basket disposed in the tea infusing container, and a control circuit. A sliding arrangement includes a vertical support, a sliding frame slidably coupled at the vertical support, and a resilient element. The sliding frame includes a hanger, an actuator, and a first permanent magnet. The hanger is supported above and aligned with an electromagnet. A second permanent magnet is provided at the outer side of the surrounding wall of the tea basket and is magnetically attracted with the first permanent magnet.Type: ApplicationFiled: May 24, 2011Publication date: March 7, 2013Applicant: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD.Inventors: Bei Zhang, Huajin Chen
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Publication number: 20130059049Abstract: A tea machine base includes an electric motor, a turntable, and a supporting shaft, wherein a supporting platform is formed at the top side of the supporting shaft. A bottom side of the supporting shaft is upwardly extended from a bottom side of the tea machine base. The turntable is coaxially coupled at the supporting shaft. The turntable further comprise at least two cup holders formed thereon in a radial direction and a plurality of positioning contact terminals, wherein the number of cup holders matches with the number of positioning contact terminals. A positioning switch is provided at the supporting platform corresponding to the positioning contact terminal. The turntable is driven to rotate by the electric motor. The tea machine base is fully automated to provide multiple functions and significant upgrades the quality of the tea machine base.Type: ApplicationFiled: May 25, 2011Publication date: March 7, 2013Applicant: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD.Inventors: Bei Zhang, Huajin Chen
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Publication number: 20110240624Abstract: An electric kettle includes a kettle body, a base, a heating element and a wireless signal transmission device. The wireless signal transmission device includes a controller circuitry, a first wireless transceiver, a second wireless transceiver, and a light reflection arrangement. The light reflection arrangement includes a first reflective mechanism provided on the kettle body, and a second reflective mechanism provided on the base, wherein when the kettle body is rotatably and detachably coupled with the base through a lower and an upper connector, wherein when one of the first and the second wireless transceiver is activated to generate a wireless signal toward another of the wireless transceiver, the wireless signal is subject to multiple reflections by the first and the second reflective mechanism until the wireless signal reaches the corresponding first and the second wireless transceiver.Type: ApplicationFiled: November 17, 2009Publication date: October 6, 2011Applicant: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTDInventors: George Mohan Zhang, Bei Zhang, Tianliang Wang
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Publication number: 20080202347Abstract: The present invention relates to a toaster, in particular to a recognition device of the toaster. A sliding rack which can be moved up and down is provided within a housing of the toaster, and the sliding rack is connected with a toast rack. An end of the toast rack is fixedly connected to an end of a bracket, an assembly composed of the toast rack and the bracket is hinged to the sliding rack, an end portion of the bracket is connected with the sliding rack through a spring, and a sensor is fixed to the toaster for sensing the angular displacement of the assembly. One end of the bracket is hinged to the sliding rack and the other end thereof is connected with the sliding rack through the spring. Compared with the prior art, the toast rack of the present invention can be driven to rotate upwards at a certain angle about a center defined by the hinged point under the resilient force of a spring. When a bread slice is disposed into the toast rack, the toast rack is reset.Type: ApplicationFiled: January 4, 2005Publication date: August 28, 2008Applicant: CRASTAL TECHNOLOGY (SHENZHEN CO., LTD)Inventors: Huajin Chen, Youying Long
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Patent number: 6868775Abstract: A toaster includes a toaster housing having a toaster slot for the bread slice disposing therein, a toasting device for toasting the bread slice in the toaster slot, and a toast racking arrangement including a bread supporting rack movably mounted in the toaster slot, a motor having a driving shaft for producing a rotational force, and a rack driving unit including a driving member having two ends respectively engaged with the driving shaft and the bread supporting rack to drive the bread supporting rack to slidably move along the toaster slot between an upper releasing position and a lower toasting position. At the releasing position, the driving member is driven to lift up the bread supporting rack along the toaster slot, and at the toasting position, the driving member is driven to lower the bread supporting rack for toasting the bread slice.Type: GrantFiled: November 17, 2003Date of Patent: March 22, 2005Assignee: Crastal Technology (shenzhen) Co. Ltd.Inventor: Hua-Jin Chen