Fuel control system and control device therefor or the like
阅读：879发布：2022-11-15
专利汇可以提供Fuel control system and control device therefor or the like专利检索，专利查询，专利分析的服务。并且A control device for directing fuel from a source thereof to pilot burner means and to main burner means, the control device having a movable selector which is adapted to be moved in one direction from an ''''off'''' position thereof through a ''''cooking range'''' thereof to a ''''pilot off'''' position thereof. The control device has stop means for preventing uninterrupted movement of the selector from the ''''cooking range'''' thereof into the ''''pilot off'''' position thereof to prevent accidental pilot outage whereby the operator must axially move the selector before he can move the same from the ''''cooking range'''' thereof into the ''''pilot off'''' position thereof.，下面是Fuel control system and control device therefor or the like专利的具体信息内容。
1. A control device for directing fuel from a source thereof to pilot burner means and to main burner means, said control device having a movable selector means which is adapted to be moved in one direction from an ''''off'''' position thereof through a ''''cooking range'''' having multiple temperature selection positions to a ''''pilot off'''' position thereof, said control device having thermostatic control means operatively associated with said selector means for controlling the temperature output effect of said main burner means in relation to the cooking temperature setting of said seleCtor means, said control device having valve means operatively associated with said selector means so that when said selector means is in said ''''off'''' position thereof said valve means is adapted to interconnect said source to only said pilot burner means, said valve means being adapted to interconnect said source to said pilot burner means and said main burner means when said selector means is in any one of said temperature selection positions of said ''''cooking range'''', said valve means being adapted to disconnect said source from said pilot burner means and said main burner means when said selector means is in said ''''pilot off'''' position, said control device having means for preventing uninterrupted movement of said selector means from said ''''cooking range'''' thereof into said ''''pilot off'''' position thereof to prevent accidental pilot outage.
2. A control device as set forth in claim 1 wherein said means for preventing uninterrupted movement of said selector means comprises detent means.
3. A control device as set forth in claim 1 wherein said selector means is rotatably movable through said positions thereof, said means for preventing uninterrupted movement of said selector means comprising means for causing said selector means to be axially moved before being rotatably movable from said ''''cooking range'''' to said ''''pilot off'''' position thereof.
4. A control device as set forth in claim 3 wherein said control device also has means preventing uninterrupted movement of said selector means from said ''''off'''' position thereof into said ''''cooking range''''.
5. A control device as set forth in claim 4 wherein said means for preventing uninterrupted movement of said selector means from said ''''off'''' position thereof to said ''''cooking range'''' also comprises means for causing said selector means to be axially moved before being rotated from said ''''off'''' position to said ''''cooking range''''.
6. A control device as set forth in claim 1 wherein said valve means comprises a rotatable valve member, said selector means comprises a rotatable drive member splined to said valve member whereby said drive member and said valve member rotate in unison while said drive member is adapted to be axially moved relative to said valve member.
7. A control device as set forth in claim 6 wherein said means for preventing uninterrupted movement of said selector means comprises stop means carried by said control device and disposed in the path of movement of said rotatable drive member whereby said drive member must be axially moved relative to said valve member to clear said stop means.
8. A control device as set forth in claim 7 wherein a spring means is disposed between said valve member and said drive member to tend to maintain said drive member axially spaced from said valve member.
9. A control device as set forth in claim 8 wherein said control device has a stationary member, said spring means urging said drive member against said stationary member to limit the axial spacing of said drive member relative to said valve member, said stationary member having said stop means thereon.
10. A control device as set forth in claim 9 wherein said stationary member has a slot therethrough, said drive member having a tang for normally projecting through said slot, said slot defining said stop means as a projection that prevents normal movement of said tang in said slot.
11. A control system comprising a source of fuel, pilot burner means, main burner means, and a control device operatively interconnected to said source and to both of said burner means for directing fuel from said source to said pilot burner means and to said main burner means, said control device having a movable selector means which is adapted to be moved in one direction from an ''''off'''' position thereof through a ''''cooking range'''' having multiple temperature selection positions to a ''''pilot off'''' position thereof, said control device haVing thermostatic control means operatively associated with said selector means for controlling the temperature output effect of said main burner means in relation to the cooking temperature setting of said selector means, said control device having valve means operatively associated with said selector means so that when said selector means is in said ''''off'''' position thereof said valve means interconnect said source to only said pilot burner means, said valve means interconnecting said source to said pilot burner means and said main burner means when said selector means is in any one of said temperature selection positions of said ''''cooking range'''', said valve means disconnecting said source from said pilot burner means and said main burner means when said selector means is in said ''''pilot off'''' position, said control device having means for preventing uninterrupted movement of said selector means from said ''''cooking range'''' thereof into said ''''pilot off'''' position thereof to prevent accidental pilot outage.
12. A control system as set forth in claim 11 wherein said means for preventing uninterrupted movement of said selector means comprises detent means.
13. A control system as set forth in claim 11 wherein said selector means is rotatably movable through said positions thereof, said means for preventing uninterrupted movement of said selector means comprising means for causing said selector means to be axially moved before being rotatably movable from said ''''cooking range'''' to said ''''pilot off'''' position thereof.
14. A control system as set forth in claim 13 wherein said control device also has means preventing uninterrupted movement of said selector means from said ''''off'''' position thereof into said ''''cooking range''''.
15. A control system as set forth in claim 14 wherein said means for preventing uninterrupted movement of said selector means from said ''''off'''' position thereof to said ''''cooking range'''' also comprises means for causing said selector means to be axially moved before being rotated from said ''''off'''' position to said ''''cooking range''''.
16. A control system as set forth in claim 11 wherein said valve means comprises a rotatable valve member, said selector means comprises a rotatable drive member splined to said valve member whereby said drive member and said valve member rotate in unison while said drive member is adapted to be axially moved relative to said valve member.
17. A control device as set forth in claim 16 wherein said means for preventing uninterrupted movement of said selector means comprises stop means carried by said control device and disposed in the path of movement of said rotatable drive member whereby said drive member must be axially moved relative to said valve member to clear said stop means.
18. A control system as set forth in claim 17 wherein a spring means is disposed between said valve member and said drive member to tend to maintain said drive member axially spaced from said valve member.
19. A control system as set forth in claim 18 wherein said control device has a stationary member, said spring means urging said drive member against said stationary member to limit the axial spacing of said drive member relative to said valve member, said stationary member having said stop means thereon.
20. A control system as set forth in claim 19 wherein said stationary member has a slot therethrough, said drive member having a tang for normally projecting through said slot, said slot defining said stop means as a projection that prevents normal movement of said tang in said slot.
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