Combination control assembly of dual fuel internal combustion engine

• US 10,267,242 B2
• Filed: 07/24/2017
• Issued: 04/23/2019
• Est. Priority Date: 02/24/2017
• Status: Active Grant

• Current Assignee: Champion Power Equipment Incorporated
• Original Assignee: Hangzhou Power Young Technology Co., Ltd.
• Inventors: Tang, Longxin, Li, Jie
• Primary Examiner(s): McMahon, Marguerite
• Assistant Examiner(s): Kim, James
• Application Number:
  US15/658,247
• Publication Number:
  US 20180245523A1
• Time in Patent Office: 638 Days
• Field of Search: 123575, 200 11 R, 200 14, 200336, 200564, 200568
• CPC Class Codes: F02D 11/02 characterised by hand, foot, or like operator controlled initiation means
• CPC Class Codes: F02D 11/04 characterised by mechanical control linkages F02D11/06 takes precedence
• CPC Class Codes: F02D 19/0613 Switch-over from one fuel to another F02D19/081 takes precedence
• CPC Class Codes: F02D 2009/0205 working on the throttle valve and another valve, e.g. choke
• CPC Class Codes: F02M 1/02 the means to facilitate starting or idling being chokes for enriching fuel-air mixture automatic chokes F02M1/08
• CPC Class Codes: Y02T 10/30 Use of alternative fuels, e.g. biofuels

Abstract

A combination control assembly of dual fuel internal combustion engine comprises a dial (2) that can be rotated to manipulate operation of a dual fuel internal combustion engine; a turntable (3) includes a disk body (301) and a shift lever (302), characterized in that the shift lever (302) is settled on the disk body (301); a first rotating part (4) that can be rotated by cooperating with the shift lever (302); a second rotating part (9) that can be rotated by cooperating with the shift lever (302); a first fuel valve (6) opened by the first rotating part (4), a second fuel valve (11) opened by the second rotating part (9). The combination control assembly controls the first fuel valve (6) and the second fuel valve (11), simplifying the manual operation and keeping the engine runs stable.

Claims

1. A combination control assembly for a dual fuel internal combustion engine comprising:

a dial (2) for manual operation of a turntable (3);

the turntable (3), which includes a disk body (301) and a shift lever (302), the shift lever (302) is formed on the disk body (301);

a first rotating part (4), which includes a first slot (402) for receiving the shift lever (302) and a first boss (401),

a second rotating part (9), which includes a second slot (902) for receiving the shift lever (302) and a second boss (901),

a first fuel valve (6) having a first core (601), which is settled in the first boss (401);

a second fuel valve (11) having a second core (1101), which is settled in the second boss (901);

the dial (2) turns the turntable (3) in counterclockwise, the shift lever (302) slides into the first slot (402) to push the first rotating part (40) to rotate around the disk body (301), then the first boss (401) turns the first core (601) of the first fuel valve (6) to open;

the dial (2) turns the turntable (3) is rotated in clockwise, the shift lever (302) slides into the second slot (902) to push the second rotating part (40) to rotate around the disk body (301), then the second boss (901) turns the second core (1101) of the second fuel valve (11) to open.

2. The combination control assembly according to claim 1, characterized in that, a bracket (5), where the first fuel valve (6) and the second fuel valve (11) disposed in;

a limit lever (304) formed on the disk body (301) of turntable(3);

a limit bump (3041) formed on the limit lever(304);

a limit groove (501) formed on the bracket(5);

the limit bump (3041) is rotatable in the limit groove (501).

3. The combination control assembly according to claim 2, characterized in that, an orbit (303) formed on the disk body (301) of turntable (3), includes a left side incline (3033), a middle low flat lying (3032) and a right side incline (3031);

the middle low flat lying (3032) is formed between the left side incline (3033) and the right side inclines (3031).

4. The combination control assembly according to claim 3, characterized in that, a choke cable assembly (7) fixed on the bracket (5) includes a choke cable (701), a biasing spring (702) and a choke cable guider (703);

the choke cable guider (703) is fixed on the bracket (5);

the choke cable (701) is disposed in the choke cable guider (703);

the biasing spring (702) presses the end of choke cable (701) on the orbit (303) formed on the turntable (3), and the choke cable guider (703) limits the choke cable (701) only axially movable.

5. The combination control assembly according to claim 2, characterized in that, an indicator panel (1) fixed on the bracket (5) through the cooperation of the erection column (101) and the corresponding holes settled on the bracket (5);

the dial (2) is disposed in the indicator panel (1).

6. The combination control assembly according to claim 5, characterized in that, a first bump (3011) at the edge of the disk body (301) of the turntable (3);

a flameout switch (8) fixed on the indicator panel (1);

the first bump (3011) is positioned to interfere with the engine flameout switch (8), controlling the on-off state of engine flame switch (8).

7. The combination control assembly according to claim 5, characterized in that, a second bump (903) formed at the second rotating part (9);

an inching switch (10) settled on the indicator panel(1);

the second bump (903) is positioned to interfere with the inching switch (10), controlling the on-off state of inching switch (10).