POWER SUPPLY EQUIPMENT FOR FUEL DISPENSING NOZZLE

• US 20100017041A1
• Filed: 06/20/2007
• Published: 01/21/2010
• Est. Priority Date: 06/21/2006
• Status: Abandoned Application

• Current Assignee: Nozzle Eng. S.R.L.
• Original Assignee: Nozzle Eng. S.R.L.
• Inventors: Bentivoglio, Galliano
• Application Number:
  US12/306,078
• Publication Number:
  US 20100017041A1
• Time in Patent Office: Days
• US Class Current: 700/283
• CPC Class Codes: B67D 7/32 Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
• CPC Class Codes: B67D 7/425 including components powered by electricity or light

Abstract

Power supply equipment for a fuels dispensing nozzle includes solenoid valves for dispensing fuel, a microprocessor for operating the solenoid valves and at least one supercapacitor or ultracapacitor for supplying power to the solenoid valves.

Claims

1-43. -43. (canceled)

44. Power supply equipment (1) for a fuel dispensing nozzle comprising solenoid valves (5, 6) for dispensing fuel, a microprocessor (2) for operating the solenoid valves (5, 6), and capacitor means (3) for supplying power to at least said solenoid valves (5, 6).

45. Equipment according to claim 44, wherein said capacitor means (3) comprises at least one of a supercapacitor and an ultracapacitor (4).

46. Equipment according to claim 44, comprising electrical connection means (9) for connecting the capacitor means (3) electrically to a nozzle holder which is located on the dispensing pump, said nozzle holder comprising a power supply line for recharging the capacitor means (3).

47. Equipment according to claim 46, wherein the electrical connection means (9) comprises an electromagnetic induction means (19-25).

48. Equipment according to claim 47, comprising limiter means (10) connected in the power line for connecting the electrical connection means (9) electrically to the capacitor means (3).

49. Equipment according to claim 48, wherein said limiter means (10) comprises a limiter device (11A).

50. Equipment according to claim 49, wherein said limiter means (10) comprises one or two diodes (11).

51. Equipment according to claim 48, wherein said limiter means (10) comprises said microprocessor (2) which detects the residual voltage in the capacitor means (3).

52. Equipment according to claim 47, further comprising LED diodes (7, 8) for indicating the operation of the nozzle.

53. Power supply equipment (1) for a fuel dispensing nozzle comprising solenoid valves (5, 6) for dispensing fuel, a microprocessor (2) for operating the solenoid valves (5, 6), and capacitor means (3) for supplying power to at least said solenoid valves (5, 6), said microprocessor (2) comprising a program or software which receives at its input the value of the voltage of the capacitor means (3).

54. Equipment according to claim 53, wherein said capacitor means (3) comprises at least one of a supercapacitor and an ultracapacitor (4).

55. Equipment according to claim 54, wherein said solenoid valves (5, 6) comprise electromagnetic operating coils (17, 18).

56. Equipment according to claim 54, wherein said microprocessor (2) supplies at its output a duty cycle which modulates the amplitude of a current pulse produced from an electric current supplied by the capacitor means (3), using the method known as pulse width modulation.

57. Equipment according to claim 55, wherein said duty cycle is amplitude modulated by the microprocessor (2) on the basis of the residual voltage detected in the capacitor means (3) and for providing a constant mean value throughout a time taken for the capacitor means (3) to discharge.

58. Equipment according to claim 57, wherein said microprocessor (2) is supplied with power through a voltage controller (12) which provides an electric current with a stabilized voltage.

59. Equipment according to claim 53, comprising LED diodes (7, 8) for indicating the operation of the nozzle.

60. Equipment according to claim 53, comprising electric heating means.

61. Equipment according to claim 60, wherein said electric heating means are associated with a thermostatic device.

62. Equipment according to claim 60, wherein said thermostatic device is formed by means of said microprocessor (2).

63. Equipment according to claim 60, wherein said microprocessor (2) comprises an input voltage measurement circuit (11A, 11B) for detecting the presence of voltage upstream of the voltage limiter means (10).

64. Equipment according to claim 60, wherein said electric heating means comprise the electromagnetic coils (17, 18) of said solenoid valves (5, 6).

65. Power supply equipment (1) for a fuel dispensing nozzle comprising solenoid valves (5, 6) provided with electromagnetic operating coils (17, 18), said solenoid valves (5, 6) being capable of dispensing fuel, a microprocessor (2) for operating the solenoid valves (5, 6), and electric heating means.

66. Equipment according to claim 65, wherein said electric heating means comprise the electromagnetic coils (17, 18) of said solenoid valves (5, 6).