COMBINATION CONTROL ASSEMBLY

• US 20190186387A1
• Filed: 03/06/2018
• Published: 06/20/2019
• Est. Priority Date: 12/14/2017
• Status: Active Grant

• Current Assignee: Champion Power Equipment Incorporated
• Original Assignee: Hangzhou Power Young Technology Co., Ltd.
• Inventors: LI, JIE, TANG, LONGXIN
• Granted Patent: US 10,641,187 B2
• Time in Patent Office: Days
• CPC Class Codes: F02D 19/061 by controlling fuel injectors
• CPC Class Codes: F02D 19/0623 Failure diagnosis or prevention; Safety measures; Testing
• CPC Class Codes: F02D 19/0647 the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]
• CPC Class Codes: F02D 19/0678 Pressure or flow regulators therefor; Fuel metering valves therefor
• CPC Class Codes: F02D 19/0681 Shut-off valves; Check valves; Safety valves; Pressure relief valves
• CPC Class Codes: F02D 19/08 simultaneously using pluralities of fuels F02D19/12 takes precedence
• CPC Class Codes: Y02T 10/30 Use of alternative fuels, e.g. biofuels

Abstract

A combination control assembly for dual fuel internal combustion engine comprises: a bracket (8) that is fixed on an engine shell (12); a micro switch (9) that is used to send signals; a female quick connector (7) is used to connect with the carburetor and a male quick connector (10) is used to connect with the female quick connector (7); a gas pipe (11) is used to connect with the male quick connector (10) and the other side, gaseous fuel; the bracket (8) is provided with the micro switch (9) and the female quick connector (7), the micro switch (9) is provided with a reed (91), and the male quick connector (10) is provided with a trigger tab (101). When the male quick connector (10) is connected to the female quick connector (7), the trigger tab (101) is against the reed (91). A knob component (6) is connected with the fuel valve (5) to control fuel flow in the fuel pipe (4), and the engine flameout is also controlled by the knob component (6).

Claims

1. A combination control assembly is comprising:

a bracket (8) that is fixed on an engine shell (12);

a micro switch (9) that is used to send signals;

a female quick connector (7) is used to connect with the carburetor and a male quick connector (10) is used to connect with the female quick connector (7);

a gas pipe (11) is used to connect with the male quick connector (10) and the gaseous fuel;

the bracket (8) is provided with the micro switch (9) and the female quick connector (7);

the micro switch (9) is provided with a reed (91), and the male quick connector (10) is provided with a trigger tab (101);

when the male quick connector (10) is connected to the female quick connector (7), the trigger tab (101) is against the reed (91).

2. The combination control assembly according to claim 1, characterized in that, also includes a knob component (6), a fuel valve (5) and a fuel pipe (4);

the knob component (6) is connected with the fuel valve (5), and the knob component (6) rotates the fuel valve (5) to control the fuel flowing through the fuel pipe (4).

3. The combination control assembly according to claim 2, characterized in that, also includes a control module and solenoid valve;

the fuel pipe (4) is connected with the carburetor through the solenoid valve;

the micro switch (9) sends a signal to the control module when it is triggered;

the module receives the signal and control the solenoid valve to close the fuel flow.

4. The combination control assembly according to claim 2, characterized in that, also includes a the knob component (6) which is provided with a contact cam (65), and when the knob component (6) rotates, the contact cam (65) is contacted with the ON/OFF switch (3) to control the engine shutdown.

5. The combination control assembly according to claim 4, characterized in that, the micro switch (9) is provided with a first pin (92), and a second pin (31) is arranged on the ON/OFF switch (3), the first pin (92) is connected with the second pin (31), and the micro switch (9) is in series with the ON/OFF switch (3).

6. The combination control assembly according to claim 2, characterized in that, also includes a plate body (2);

the plate body (2) is provided with a first hole (21);

the knob component (6) comprises a rotating part (64) and a rotation shaft (62);

the rotation shaft (62) is arranged on the rotating part (64), and is connected with the fuel valve (5) through the first hole (21).

7. The combination control assembly according to claim 6, characterized in that, also includes a choke cable (1);

the plate body (2) is provided with a second hole (22);

the knob component (6) has a rail (61), which is arranged on the rotating part (64);

the choke cable (1) pulls through the second hole (22) and then contacts with the top surface of the rail (61), and the height of the rail (61) is gradually rising, as rotating part (64) drives the rail (61) rotation, so that the rail (61) drives the choke cable (1) to move up and down.

8. The combination control assembly according to claim 6, characterized in that:

a limited block (63) is arranged on the rotating part (64), and a limited post (23) is arranged on the plate body (2). When the rotating part (64) is rotated, the limited block (63) is in contact with the limited post (23).