# US 11,306,693 B2 · Multiple-choice piggyback ignition booster circuit for internal combustion engines and other motors

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- Number: US 11,306,693 B2
- Document ID: US11306693B2
- Status: Granted
- Kind: B2
- Application number: 16/949,334
- Filed: 2020-10-26
- Published: 2021-02-11
- Granted: 2022-04-19
- Earliest claimed: 2019-02-28
- Assignees: Inertia Performance LLC
- Applicants: Fenton Horton, Jr.
- Inventors: Fenton Horton, Jr.
- Web page: https://patentgrep.com/patent/US11306693B2

## CPC

- F02P 3/01: Electric spark ignition installations without subsequent energy storage, i.e. energy supplied by an electrical oscillator (with magneto- or dynamo-electric generators F02P1/00; piezoelectric ignition F02P3/12; with continuous electric spark F02P15/10)
- F02P 3/0407: {Opening or closing the primary coil circuit with electronic switching means (F02P3/045 - F02P3/055 take precedence)}
- B60Q 9/00: Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00 {, e.g. haptic signalling}
- F02P 9/002: {Control of spark intensity, intensifying, lengthening, suppression (by means of current control in the storage devices F02P3/05, F02P3/09, during starting F02P15/12)}
- F02P 3/02: having inductive energy storage, e.g. arrangements of induction coils {(ignition coils structurally combined with sparking plugs F02P13/00; constructional details of ignition coils H01F38/12)}
- F02P: IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES ({anti-pollution means for internal-combustion engines F02B17/00}; specially adapted for rotary-piston or oscillating-piston engines F02B53/12; {ignition of gas turbine plants F02C7/26; ignition of jet propulsion plants F02K9/95; starting of combustion engines F02N9/00}; ignition of combustion apparatus in general, glowing plugs F23Q; measuring of physical variables in general G01; controlling in general G05; data processing in general G06; electrical components in general see Section H; {ignition coils H01F38/12}; sparking plugs H01T13/00)
- B60Q: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL

## Abstract

A booster circuit for use with an ignition system for an internal combustion engine is provided. The booster circuit includes a relay control circuitry disposed in parallel between the voltage source and the one or more ignition coils for igniting fuel in the engine in synchronism with engine operation; a controllable switching element for selectively completing a booster circuit for connecting the relay control circuitry in series with the voltage source and the one or more ignition coils; and the booster circuit having electronic circuitry including at least one output for providing booster energy at the at least one output, when the booster circuit is completed by the controllable switching element to assure producing of a suitable voltage applied to the one or more ignition coils.

## Claims

### Claim 1

A booster circuit for use with an ignition system for an internal combustion engine, the ignition system including a voltage source and one or more ignition coils, comprising:
a relay control circuitry disposed between the voltage source and the one or more ignition coils;
a controllable switching element for selectively engaging the relay control circuitry in series with the voltage source and the one or more ignition coils;
the booster circuit having electronic circuitry including an output for providing booster energy at the at least one output, when the relay control circuitry in series; and
said electronic circuitry including a diode interposed in parallel with the a first capacitor and a plurality of second capacitors connected to an open side of the relay control circuitry, configured to provide an on/off circuit.

### Claim 2 (depends on 1)

The booster circuitry of claim 1, further comprising the first capacitor coupled to the diode connecting upstream to the set of second capacitors.

### Claim 3 (depends on 1)

The booster circuitry of claim 1, further comprising an LED indicator.