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US5086266A Expired / Lapsed US ⏱️ 0.0 years remaining

Automobile ac generator system

Assignee: Toyo Densan Co Ltd
•
Filing: 1990-09-19
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Granted: 1992-02-04
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Expires: 2010-09-19
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Abstract

Abstract An automobile ac generator system comprises a generator driven by the engine of the automobile, a system controller for converting the ac power generated by the generator to dc power, controlling the generator on the basis of the voltage of the converted dc power and converting the dc power to ac power of commercial line frequency, and a mode switch for selecting among control operating modes of the system controller.

Inventors

  • 👤 Naomichi Shiga
  • 👤 Hisatoshi Tsuchiya
  • 👤 Yasuyuki Sakakibara
  • 👤 Katsumi Kibe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 06:46
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/1438; B; B60; B60H; B60H1/00; B60H1/00421; B60H1/00428; B60H1/32; B60H1/3204; B60H1/3222; H02P; H02P9/00; H02P9/14; H02P9/26; H02P9/30; B60H2001/3269; B60H2001/327; B60H2001/3273; H02J2105/00; H02J2105/30; Y; Y02; Y02T; Y02T10/00; Y02T10/80; Y02T10/88

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 160 words
An automobile ac generator system comprising: a generator driven by the engine of an automobile; a system controller for controlling the voltage and converting the frequency of ac power generated by the generator, said system controller comprising rectification means for converting the ac power generated by the generator into dc power, generator control means for detecting the voltage of the dc power rectified by the rectification means and controlling the voltage of the ac power generated by the generator on the basis of the detected voltage, an inverter for converting the dc power from the rectification means into single-phase ac power of commercial line frequency and three-phase ac power of commercial line frequency, and conversion mode control means for controlling the conversion operation of the inverter; control operation selection means for selecting among conversion modes of the inverter controlled by the conversion mode control means of the systems controller; and a battery for supplying electric power to the system controller.
Claim 2
Dependent Claim 160 words
An automobile ac generator system comprising: a generator driven by the engine of an automobile; a system controller for controlling the voltage and converting the frequency of ac power generated by the generator, said system controller comprising rectification means for converting the ac power generated by the generator into dc power, generator control means for detecting the voltage of the dc power rectified by the rectification means and controlling the voltage of the ac power generated by the generator on the basis of the detected voltage, an inverter for converting the dc power from the rectification means into single-phase ac power of commercial line frequency and three-phase ac power of commercial line frequency, and conversion mode control means for controlling the conversion operation of the inverter; control operation selection means for selecting among conversion modes of the inverter controlled by the conversion mode control means of the systems controller; and a battery for supplying electric power to the system controller.
Claim 3
Dependent Claim 63 words
An automobile ac generator system according to claim 1 further comprising: an accelerator actuator for regulating the accelerator system of the engine so as to regulate the engine speed; and an engine control means provided in the system controller for controlling the accelerator actuator in response to the amount of electric power consumed by the load to which electric power is being supplied.
Claim 4
Dependent Claim 218 words
An automobile ac generator system comprising: a generator driven by the engine of an automobile; temperature sensing means for detecting the temperature of the automobile interior; a system controller for controlling the voltage and converting the frequency of ac power generated by the generator, said system controller comprising rectification means for converting the ac power generated by the generator into dc power, generator control means for detecting the voltage of the dc power rectified by the rectification means and controlling the voltage of the ac power generated by the generator on the basis of the detected voltage, an inverter for converting the dc power from the rectification means into single-phase ac power of commercial line frequency, three-phase ac power of commercial line frequency and three-phase ac power of a voltage and a frequency which are variable in light of the temperature detected by the temperature sensing means, and conversion mode control means for controlling the conversion operation of the inverter; control operation selection means for selecting among conversion modes of the inverter controlled by the conversion mode control means of the system controller; a battery for supplying electric power to the system controller; and an air conditioning apparatus operated by the three-phase ac power of variable voltage and variable frequency output by the inverter of the system controller.
Claim 5
Dependent Claim 218 words
An automobile ac generator system comprising: a generator driven by the engine of an automobile; temperature sensing means for detecting the temperature of the automobile interior; a system controller for controlling the voltage and converting the frequency of ac power generated by the generator, said system controller comprising rectification means for converting the ac power generated by the generator into dc power, generator control means for detecting the voltage of the dc power rectified by the rectification means and controlling the voltage of the ac power generated by the generator on the basis of the detected voltage, an inverter for converting the dc power from the rectification means into single-phase ac power of commercial line frequency, three-phase ac power of commercial line frequency and three-phase ac power of a voltage and a frequency which are variable in light of the temperature detected by the temperature sensing means, and conversion mode control means for controlling the conversion operation of the inverter; control operation selection means for selecting among conversion modes of the inverter controlled by the conversion mode control means of the system controller; a battery for supplying electric power to the system controller; and an air conditioning apparatus operated by the three-phase ac power of variable voltage and variable frequency output by the inverter of the system controller.
Claim 6
Dependent Claim 63 words
An automobile ac generator system according to claim 3 further comprising: an accelerator actuator for regulating the accelerator system of the engine so as to regulate the engine speed; and, an engine control means provided in the system controller for controlling the accelerator actuator in response to the amount of electric power consumed by the load to which electric power is being supplied.
Claim 7
Dependent Claim 313 words
An automobile ac generator system comprising: a single-shaft, dual-output ac generator having a stator provided with coils for low-voltage output and coils for high-voltage output, and a rotor disposed inside the stator and driven to rotate by an automobile engine, the generator providing a low-voltage output at low-voltage output terminals of the coils for low-voltage output and a high-voltage output at high-voltage output terminals of the coils for high-voltage output; first rectification means for converting the ac powder supplied from the low-voltage output terminals of the single-shaft, dual-output ac generator into dc power; temperature sensing means for detecting the temperature of the automobile interior; a system controller for controlling the voltage and converting the frequency of ac power generated by the single-shaft, dual-output ac generator, said system controller comprising second rectification means for converting the ac power supplied from the high-voltage terminals of the single-shaft, dual-output ac generator into dc power, generator control means for detecting the voltages of the dc power rectified by the first rectification means and controlling the voltage of the ac power of the generator on the basis of the detected voltages, an inverter for converting the dc power from the second rectification means into single-phase ac power of commercial line frequency and three-phase ac power of a voltage and a frequency which are variable in light of the temperature detected by the temperature sensing means, and conversion mode control means for controlling the conversion operation of the inverter; control operation selection means for selecting among conversion modes of the inverter controlled by the conversion mode control means of the systems controller; a battery for storing the electric power generated by the single-shaft, dual-output ac generator and supplying electric power to the system controller; and an air conditioning apparatus operated by the three-phase ac power of variable voltage and variable frequency output by the inverter of the system controller.
Claim 8
Dependent Claim 313 words
An automobile ac generator system comprising: a single-shaft, dual-output ac generator having a stator provided with coils for low-voltage output and coils for high-voltage output, and a rotor disposed inside the stator and driven to rotate by an automobile engine, the generator providing a low-voltage output at low-voltage output terminals of the coils for low-voltage output and a high-voltage output at high-voltage output terminals of the coils for high-voltage output; first rectification means for converting the ac powder supplied from the low-voltage output terminals of the single-shaft, dual-output ac generator into dc power; temperature sensing means for detecting the temperature of the automobile interior; a system controller for controlling the voltage and converting the frequency of ac power generated by the single-shaft, dual-output ac generator, said system controller comprising second rectification means for converting the ac power supplied from the high-voltage terminals of the single-shaft, dual-output ac generator into dc power, generator control means for detecting the voltages of the dc power rectified by the first rectification means and controlling the voltage of the ac power of the generator on the basis of the detected voltages, an inverter for converting the dc power from the second rectification means into single-phase ac power of commercial line frequency and three-phase ac power of a voltage and a frequency which are variable in light of the temperature detected by the temperature sensing means, and conversion mode control means for controlling the conversion operation of the inverter; control operation selection means for selecting among conversion modes of the inverter controlled by the conversion mode control means of the systems controller; a battery for storing the electric power generated by the single-shaft, dual-output ac generator and supplying electric power to the system controller; and an air conditioning apparatus operated by the three-phase ac power of variable voltage and variable frequency output by the inverter of the system controller.
Claim 9
Dependent Claim 63 words
An automobile ac generator system according to claim 5 further comprising: an accelerator actuator for regulating the accelerator system of the engine so as to regulate the engine speed; and an engine control means provided in the system controller for controlling the accelerator actuator in response to the amount of electric power consumed by the load to which electric power is being supplied.
Claim 10
Dependent Claim 313 words
An automobile ac generator system comprising: a single-shaft, dual-output ac generator having a stator provided with coils for low-voltage output and coils for high-voltage output and a rotor disposed inside the stator and driven to rotate by an automobile engine, the generator providing a low-voltage output at low-voltage output terminals o the coils for low-voltage output and a high-voltage output at high-voltage output terminals of the coils for high-voltage output; first rectification means for converting the ac power supplied from the low-voltage output terminals of the single-shaft, dual-output ac generator into dc power; temperature sensing means for detecting the temperature of the automobile interior; a system controller for controlling the voltage and converting the frequency of ac power generated by the single-shaft, dual-output ac generator, said system controller comprising second rectification means for converting the ac power supplied from the high-voltage terminals of the single-shaft, dual-output ac generator into dc power, generator control means for detecting the voltages of the dc power rectified by the first rectification means and controlling the voltage of the ac power of the generator on the basis of the detected voltages, an inverter for converting the dc power from the second rectification means into three-phase ac power of commercial line frequency and three-phase ac power of a voltage and a frequency which are variable in light of the temperature detected by the temperature sensing means, and conversion mode control means for controlling the conversion operation of the inverter; control operation selection means for selecting among conversion modes of the inverter controlled by the conversion mode control means of the systems controller; a battery for storing the electric power generated by the single-shaft, dual-output ac generator and supplying electric power to the system controller; and an air conditioning apparatus operated by the three-phase ac power of variable voltage and variable frequency output by the inverter of the system controller.
Claim 11
Dependent Claim 313 words
An automobile ac generator system comprising: a single-shaft, dual-output ac generator having a stator provided with coils for low-voltage output and coils for high-voltage output and a rotor disposed inside the stator and driven to rotate by an automobile engine, the generator providing a low-voltage output at low-voltage output terminals o the coils for low-voltage output and a high-voltage output at high-voltage output terminals of the coils for high-voltage output; first rectification means for converting the ac power supplied from the low-voltage output terminals of the single-shaft, dual-output ac generator into dc power; temperature sensing means for detecting the temperature of the automobile interior; a system controller for controlling the voltage and converting the frequency of ac power generated by the single-shaft, dual-output ac generator, said system controller comprising second rectification means for converting the ac power supplied from the high-voltage terminals of the single-shaft, dual-output ac generator into dc power, generator control means for detecting the voltages of the dc power rectified by the first rectification means and controlling the voltage of the ac power of the generator on the basis of the detected voltages, an inverter for converting the dc power from the second rectification means into three-phase ac power of commercial line frequency and three-phase ac power of a voltage and a frequency which are variable in light of the temperature detected by the temperature sensing means, and conversion mode control means for controlling the conversion operation of the inverter; control operation selection means for selecting among conversion modes of the inverter controlled by the conversion mode control means of the systems controller; a battery for storing the electric power generated by the single-shaft, dual-output ac generator and supplying electric power to the system controller; and an air conditioning apparatus operated by the three-phase ac power of variable voltage and variable frequency output by the inverter of the system controller.
Claim 12
Dependent Claim 63 words
An automobile ac generator system according to claim 7 further comprising: an accelerator actuator for regulating the accelerator system of the engine so as to regulate the engine speed; and an engine control means provided in the system controller for controlling the accelerator actuator in response to the amount of electric power consumed by the load to which electric power is being supplied.
Claim 13
Dependent Claim 174 words
An automobile ac generator system comprising: a generator driven by the engine of an automobile; temperature sensing means for detecting the temperature of the automobile interior; an air conditioning apparatus operated by three-phase ac power; an system controller for controlling the voltage and converting the frequency of ac power generated by the generator, said system controller comprising rectification means for converting the ac power generated by the generator into dc power, generator control means for detecting the voltage of the dc power rectified by the rectification means and controlling the voltage of the ac power of the generator on the basis of the detected voltage, an inverter for converting the dc power from the rectification means into three-phase ac power of variable voltage and variable frequency, and conversion mode control means for controlling the conversion operation of the inverter to produce a three-phase ac output of a voltage and a frequency suitable in light of the temperature detected by the temperature sensing means; and a battery for supplying electric power to the system controller.
Claim 14
Dependent Claim 174 words
An automobile ac generator system comprising: a generator driven by the engine of an automobile; temperature sensing means for detecting the temperature of the automobile interior; an air conditioning apparatus operated by three-phase ac power; an system controller for controlling the voltage and converting the frequency of ac power generated by the generator, said system controller comprising rectification means for converting the ac power generated by the generator into dc power, generator control means for detecting the voltage of the dc power rectified by the rectification means and controlling the voltage of the ac power of the generator on the basis of the detected voltage, an inverter for converting the dc power from the rectification means into three-phase ac power of variable voltage and variable frequency, and conversion mode control means for controlling the conversion operation of the inverter to produce a three-phase ac output of a voltage and a frequency suitable in light of the temperature detected by the temperature sensing means; and a battery for supplying electric power to the system controller.
Claim 15
Dependent Claim 27 words
An automobile ac generator system according to claim 9, wherein the generator is a single-shaft, dual-output ac generator whose high-voltage output is supplied to the system controller.

References Cited (Backward Citations)

US3753069A Cited
US4310866A Cited
US4616485A Cited
US4973896A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-02-03 1995-08-05 1996-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-02-03 1999-08-05 2000-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-02-03 2003-08-05 2004-02-04 $7700.00 Window Closed / Lapsed

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