Steven H Yu

US Patent:

D625404, Oct 12, 2010

Filed:

Mar 31, 2010

Appl. No.:

29/358744

Inventors:

Steven Yu - Los Angeles CA, US

International Classification:

2304

US Classification:

D23386

US Patent:

8128346, Mar 6, 2012

Filed:

Sep 16, 2009

Appl. No.:

12/560775

Inventors:

Steven Yu - Los Angeles CA, US

International Classification:

F03B 15/02

US Classification:

4151212, 415125, 415126, 416100, 416110, 416170 R, 4174231

Abstract:

A fan with concealed 360-degree oscillating mechanism includes a main housing; a pivot member vertically, pivotally and turnably mounted in the housing; a first driving motor having a forward first rotary shaft and horizontally, pivotally and turnably mounted in the pivot member; an oscillating mechanism assembled between the first driving motor and a rear end face of the main housing, and having a first end driving an opposing second end to rotate eccentrically; and a set of blades fixedly connected to the first rotary shaft to locate in front of the main housing. With the first driving motor pivotally connected to the pivot member and eccentrically connected to the oscillating mechanism, the set of blades can be oscillated 360 degrees while being rotated by the first driving motor; and parts inside the main housing undertake force evenly to enable stable operation of the fan and reduced stress fatigue of the oscillating mechanism.

US Patent:

8251645, Aug 28, 2012

Filed:

Jul 2, 2009

Appl. No.:

12/497540

Inventors:

Steven Yu - Los Angeles CA, US

International Classification:

F04D 29/00

US Classification:

4151212, 415125, 415126, 416170 R, 416100, 416172, 4171231

Abstract:

A fan with concealed oscillating mechanism includes a main housing, a first driving motor, a second driving motor and a curved link gear all located inside the main housing, and a set of blades located outside the main housing and connected to a rotating shaft of the first driving motor. The first driving motor has a connecting rod rotatably received in a receiving tube provided in the main housing. The second driving motor is located behind and connected to the first driving motor, and has a rotating shaft being perpendicular to that of the first driving motor. The curved link gear is connected at an end to the second rotating shaft and at another end to the main housing, such that when the second driving motor operates, the first driving motor is brought to oscillate while the set of blades stably rotates to thereby change the direction of produced airflow.

US Patent:

20130315754, Nov 28, 2013

Filed:

May 23, 2012

Appl. No.:

13/479231

Inventors:

Steven Yu - Los Angeles CA, US

International Classification:

F04D 25/10

US Classification:

417359

Abstract:

An oscillating fan with built-in pull-type control switch includes a housing defining a receiving space having a front open end; a driving motor mounted to the front open end of the receiving space and having a first rotary shaft; a blade assembly mounted to the first rotary shaft; at least one pull switch having a selector mounted in the housing and an actuator extended through and located outside the housing; and a control box provided in the receiving space to electrically connect to the driving motor and every pull switch. The actuator includes a pull string having an end connected to the selector and another end hung from the housing by a predetermined length, allowing a user to control the oscillation of the fan via the pull string. Since most fan components are integrated in the housing, the fan occupies only reduced space and is more practical for use.

US Patent:

20170343240, Nov 30, 2017

Filed:

Jul 22, 2016

Appl. No.:

15/216748

Inventors:

Steven YU - , US
Steven YU - City Of Industry CA, US

International Classification:

F24H 3/04
F04D 33/00
F04D 25/06
F04D 19/00
F04D 27/00
F24H 9/20
F04D 29/58

Abstract:

A combination cooling and heating fan structure includes an electronic device for controlling a driving device to drive a fan blade assembly to rotate within a first rotational speed range and thereby cause cold convection when the driving device is started alone. The electronic device includes a limiting module for limiting the driving device to rotate within a second rotational speed range, which is smaller than the first rotational speed range, when the driving device and a heating device are started at the same time. That is, when the driving device and the heating device are started simultaneously, the limiting module limits the driving device to rotate within the second rotational speed range for the fan blade assembly to blow hot air through an indoor environment and cause heat convection, which increases the temperature of the indoor environment while preventing quick loss of thermal energy during the heat convection.

US Patent:

20140306636, Oct 16, 2014

Filed:

Apr 12, 2013

Appl. No.:

13/862209

Inventors:

Steven YU - Los Angeles CA, US

International Classification:

H02P 31/00

US Classification:

318494

Abstract:

A fan control system includes a fan and a portable mobile device. The fan includes a housing member; a driving motor mounted in the housing member and having a rotary shaft; a fan blade assembly assembled to the rotary shaft of the driving motor; and a command receiving control unit mounted in the housing member and electrically connected to the driving motor. The portable mobile device includes a touch panel forming an operation control interface, and internally has a transmission unit and a processor electrically connected to the touch panel and the transmission unit. When the operation control interface is touched, the processor receives an operation control signal and correspondingly generates a control command that is wirelessly transmitted to the command receiving control unit in the fan via the transmission unit, so that the fan is directly controllable via the portable mobile device and has largely increased practicality and usability.

US Patent:

20140227085, Aug 14, 2014

Filed:

Feb 13, 2013

Appl. No.:

13/766416

Inventors:

Steven Yu - Los Angeles CA, US

International Classification:

F04D 27/00

US Classification:

415148

Abstract:

A fan control system includes an oscillating fan and a portable mobile device. The oscillating fan includes a housing member having a first driving motor arranged therein, and an oscillating mechanism mounted between the first driving motor and the housing member to electrically connect to the first driving motor and a receiving control unit. The portable mobile device has a touch panel forming an operation control interface, and is internally provided with a processor electrically connected to the touch panel and a transmission unit. The operation control interface produces an operation control signal when being touched, and the processor receives the operation control signal and correspondingly generates a control command to the transmission unit, from where the control command is wirelessly transmitted to the receiving control unit in the oscillating fan. The oscillating fan directly controllable via the portable mobile device has largely increased practicality and usability.