Jiangsu Midea Cleaning Appliances Co., Ltd.

Other

Memsensing Microsystems (suzhou, China) Co., Ltd.

Memsensing Microsystems Technology Co., Ltd

Empire Technology Development LLC

Midea Group Co., Ltd.

Memsensing Microsystems Co., Ltd.

Suzhou Fangshi Technology Co., Ltd.

Midea Robozone Technology Co., Ltd.

Wei Hu

Gang Li

Hui Zou

Xiahu Xiao

Xianmin Wei

Manzhi Jin

Jia-Xin Mei

Fei Xu

Yanqing Lu

Ping Lv

Hao Zhou

Jie Wang

Jia Xin Mei

Kai Sun

Genlan Rong

Siqiao Li

Wenlong Feng

Xikui Hu

Bo Liu

Xiao Zong

Rui-Fen Zhuang

Junlong Kou

Bin Xiao

Xing Shiqing

Disclosed are a bulk acoustic wave resonator and a fabrication method for the bulk acoustic wave resonator. The fabrication method includes: preparing a cavity with a top opening on a first silicon wafer; preparing an insulating layer on an upper surface of a second silicon wafer, and preparing a resonant piezoelectric stack on an upper surface of the insulating layer; preparing a first silicon dioxide layer on an upper surface of the resonant piezoelectric stack; bonding a surface where the top opening of the cavity is located with an upper surface of the first silicon dioxide layer; and preparing a lead out pad of the first electrode and the second electrode.

Bulk acoustic wave resonator and fabrication method for the bulk acoustic wave resonator

The present invention provides a terrace detection device and a use method of the terrace detection device. The terrace detection device comprises a target vehicle, a measuring vehicle and a controller, wherein the target vehicle comprises a first mobile vehicle and a target, and the target is mounted on the first mobile vehicle; the measuring vehicle comprises a second mobile vehicle and a measuring head, and the measuring head is mounted on the second mobile vehicle; and The controller is electrically connected with the measuring vehicle and the target vehicle, respectively, and is used for controlling the first mobile vehicle and the second mobile vehicle to move from a first established measuring range to a second established measuring range. Therefore, the to-be-measured terrace is estimated integrally, so that the accuracy of the acquired terrace data is improved.

Terrace detection device and use method of terrace detection device

A dual-diaphragm differential capacitive microphone includes: a back plate, a first diaphragm, and a second diaphragm. The first diaphragm is insulatively supported on a first surface of the back plate, where the back plate and the first diaphragm form a first variable capacitor. The second diaphragm is insulatively supported on a second surface of the back plate, where the back plate and the second diaphragm form a second variable capacitor. The back plate is provided with at least one connecting hole. The second diaphragm is provided with a recess portion recessed towards the back plate, where the recess portion passes through the connecting hole and is connected to the first diaphragm. The dual-diaphragm differential capacitive microphone achieves a higher signal-to-noise ratio.

Differential condenser microphone with double vibrating membranes

A dust collection box and a robot vacuum cleaner are disclosed. The dust collection box is used in the robot vacuum cleaner. The dust collection box includes a box body, a filter holder arranged in the box body, a dust separation structure configured to block dust, and a filter. The box body defines an air inlet and an air outlet. The filter holder defines an opening in a side surface thereof. The dust separation structure is arranged in the box body and located at an air inlet side of the opening. The filter is arranged to the filter holder and located at an air outlet side of the opening.

Dust collection box and robot vacuum cleaner

A water tank assembly for a robot vacuum cleaner and a robot vacuum cleaner are provided. The robot vacuum cleaner includes a main unit, two drive wheels and a universal wheel. The water tank assembly includes a water tank and a support part, and the universal wheel and the water tank assembly are disposed to the main unit. When the robot vacuum cleaner is located on a horizontal ground, the universal wheel and the two drive wheels contact the ground, and the support part is spaced from the ground by a preset value. When the robot vacuum cleaner is inclined towards a side where the water tank assembly is, the support part contacts the ground.

Water tank assembly for robot vacuum cleaner and robot vacuum cleaner

A clutch device () for an upright vacuum cleaner and an upright vacuum cleaner () having the same are provided, in which the clutch device () is disposed between an electric motor assembly () and a machine body assembly () of the upright vacuum cleaner (), and the electric motor assembly () includes an electric motor housing () and an electric motor (). The clutch device () includes: a sliding track () driven () to move by the machine body assembly; a toggling tongue () fixed to the electric motor () and rotatable with respect to the electric motor housing (); and a lever member () having a second end of the lever member () slidably fitted to the sliding track () and a first end fitted with an end of the toggling tongue (). When the machine body assembly () drives the sliding track () to move, the sliding track () drives the lever member () to rotate, and when the lever member () rotates, the toggling tongue () is stirred to make the electric motor () rotate with respect to the electric motor housing ().

Clutch device for upright vacuum cleaner and upright vacuum cleaner having same

An upright vacuum cleaner () includes: a brushroll assembly () including a brushroll casing () and a brushroll (), the brushroll casing () defining a brushroll air-suction channel () therein; a motor assembly () including a motor housing () and a motor (), the motor housing () having an air exhaust hole (), a dirty air outlet () and a clean air inlet () and defining a motor air-suction channel () and a motor air-exhaust channel; and a body assembly () including a body () and a dirt cup () mounted to the body (), the dirt cup () having a separating chamber () communicating with the dirty air outlet () and the clean air inlet () respectively.

Upright vacuum cleaner

A cyclonic separating device for an upright vacuum cleaner and an upright vacuum cleaner with the same are disclosed. The cyclonic separating device includes a dirt cup, a filter and a cyclonic cone assembly. The filter is disposed in the dirt cup and includes a filter inlet and a filter outlet communicating between the filter inlet and an air outlet. The cyclonic cone assembly includes a cyclone cylinder and a cyclonic guide, in which a first end of the cyclone cylinder is communicated with an air inlet, and the cyclonic guide is fitted in a second end of the cyclone cylinder and is detachably fitted over the filter to spirally guide dirty air introduced into the cyclone cylinder from the air inlet to the filter inlet.

Cyclonic separating device for upright vacuum cleaner and upright vacuum cleaner having the same

A dust collection box and a robot vacuum cleaner are disclosed. The dust collection box includes a box body, a first lid detachably arranged to the box body, a filter, and a filter missing-alert device arranged to the first lid. The filter missing-alert device includes a movable member. When the filter is not mounted into the box body and the first lid is arranged to be closed on to the box body, the movable member interferes with the box body, such that the box body cannot be closed with the first lid. When the filter is mounted into the box body and the first lid is arranged to the box body, the filter missing-alert device interferes with the filter to eliminate the interference between the movable member and the box body, such that the box body can be closed with the first lid.

An upright vacuum cleaner () includes a brushroll assembly () having a brushroll casing () and a brushroll (); a motor assembly () having a motor housing () and a motor (); a body assembly () having a body () and a bridging member (), in which the bridging member () is pivotally connected to the motor housing () to make the body () rotatable between an upright position and an oblique position; and an elastic assembly () provided between the brushroll casing () and the bridging member (), and configured to be pressed downward against the brushroll casing () by the bridging member () when the body () rotates from the upright position to the oblique position.

A floor brush assembly for an upright vacuum cleaner () and an upright vacuum cleaner () with the same are disclosed. The floor brush includes a brushroll (); a motor () driving the brushroll () to roll via a drive belt () that is winded upon a motor shaft () of the motor () and a central part of the brushroll (); and a brushroll casing () provided outside the brushroll (), having a dust suction port and defining a brushroll air-suction channel () and a drive-belt mounting chamber () for mounting the drive belt, in which the brushroll air-suction channel () comprises a first air-suction channel () and a second air-suction channel () located at both sides of the drive-belt mounting chamber ().

Floor brush assembly for upright vacuum cleaner and upright vacuum cleaner with the same

A clutch device for an upright vacuum cleaner and an upright vacuum cleaner having the same are provided. The clutch device is disposed between an electric motor assembly and a machine body assembly of the upright vacuum cleaner, the electric motor assembly includes an electric motor housing and an electric motor, the machine body assembly includes a machine body and a bridging member rotatably connected to the electric motor housing. The clutch device includes a slide chute; and a triggering member having a first end provided with a sliding column slidably fitted in the slide chute and a second end provided with a toggling rod configured to stir the electric motor to move. When the bridging member drives the slide chute to move, the sliding column slides along the slide chute to rotate the triggering member. When the triggering member rotates, the toggling rod stirs the electric motor to rotate.

Embodiments can provide a dust collection box and a robot vacuum cleaner. The dust collection box includes a box body and a lower lid. The box body defines a dust extraction port in the bottom thereof. The lower lid includes a first lateral portion and a second lateral portion opposite to each other. The first lateral portion is rotatably connected with the box body to enable the lower lid to open or close the dust extraction port. When the lower lid closes the dust extraction port, the second lateral portion is snap-fitted with the box body through a first snap structure.

An upright vacuum cleaner () is provided, including a brushroll assembly (), a motor assembly () and a body assembly (). The brushroll assembly () includes a brushroll casing () and a brushroll (). The motor assembly () includes a motor housing () and a motor (), and the motor () drives the brushroll () to roll via a drive belt (). The body assembly () includes a body () and a bridging member () mounted to the body (), and the bridging member () is pivotably connected with the motor housing () to allow the body () to be rotatable between an upright position and an oblique position. When the body () is rotated from the upright position to the oblique position, the bridging member () pushes the brushroll casing () to move in a direction running away from the motor housing () so as to tension the drive belt ().

Growing community of inventors

Suzhou, China

Wei Hu