Patents Assigned to Crastal Technology (shenzhen) Co. Ltd.
  • Patent number: 9345358
    Abstract: 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: Grant
    Filed: May 24, 2011
    Date of Patent: May 24, 2016
    Assignee: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Bei Zhang, Tianliang Wang
  • Patent number: 9021939
    Abstract: 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: Grant
    Filed: May 24, 2011
    Date of Patent: May 5, 2015
    Assignee: Crastal Technology (Shenzhen) Co., Ltd.
    Inventors: Bei Zhang, Huajin Chen
  • Patent number: 8921742
    Abstract: 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: Grant
    Filed: November 17, 2009
    Date of Patent: December 30, 2014
    Assignee: Crastal Technology (Shenzhen) Co., Ltd.
    Inventors: Bei Zhang, Huajin Chen
  • Patent number: 8631737
    Abstract: 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: Grant
    Filed: March 26, 2009
    Date of Patent: January 21, 2014
    Assignee: Crastal Technology (Shenzhen) Co., Ltd.
    Inventors: George Mohan Zhang, Bei Zhang, Huajin Chen
  • Patent number: 8561526
    Abstract: 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: Grant
    Filed: March 26, 2009
    Date of Patent: October 22, 2013
    Assignee: Crastal Technology (Shenzhen) Co., Ltd.
    Inventors: George Mohan Zhang, Bei Zhang, Huajin Chen, Faxi Huang
  • Patent number: 8536490
    Abstract: 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: Grant
    Filed: November 17, 2009
    Date of Patent: September 17, 2013
    Assignee: Crastal Technology (Shenzhen) Co., Ltd.
    Inventors: George Mohan Zhang, Bei Zhang, Tianliang Wang
  • Publication number: 20130098892
    Abstract: 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: Application
    Filed: May 24, 2011
    Publication date: April 25, 2013
    Applicant: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Bei Zhang, Tianliang Wang
  • Publication number: 20130087107
    Abstract: 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: Application
    Filed: May 23, 2011
    Publication date: April 11, 2013
    Applicant: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Bei Zhang, Tianliang Wang, Faxi Hang, Caihe Feng
  • Publication number: 20130055901
    Abstract: 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: Application
    Filed: May 24, 2011
    Publication date: March 7, 2013
    Applicant: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Bei Zhang, Huajin Chen
  • Publication number: 20130059049
    Abstract: 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: Application
    Filed: May 25, 2011
    Publication date: March 7, 2013
    Applicant: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Bei Zhang, Huajin Chen
  • Publication number: 20110240624
    Abstract: 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: Application
    Filed: November 17, 2009
    Publication date: October 6, 2011
    Applicant: CRASTAL TECHNOLOGY (SHENZHEN) CO., LTD
    Inventors: George Mohan Zhang, Bei Zhang, Tianliang Wang
  • Publication number: 20080202347
    Abstract: 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: Application
    Filed: January 4, 2005
    Publication date: August 28, 2008
    Applicant: CRASTAL TECHNOLOGY (SHENZHEN CO., LTD)
    Inventors: Huajin Chen, Youying Long
  • Patent number: 6868775
    Abstract: 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: Grant
    Filed: November 17, 2003
    Date of Patent: March 22, 2005
    Assignee: Crastal Technology (shenzhen) Co. Ltd.
    Inventor: Hua-Jin Chen