1
Ronald E Daubenspeck, Robert R Smyth, Donald Speranza: Method for control of automatic mechanical transmission system utilizing a microprocessor based electronic controller. Eaton Corporation, C H Grace, H D Gordon, June 17, 1986: US04595986 (86 worldwide citation)

A method for controlling an automatic mechanical transmission system (2) of the type comprising a throttling control device (19) controlled heat engine (12) a nonpositive coupling such as a friction master clutch (14) and a jaw clutch type multispeed mechanical transmission (10) utilizing a digital ...


2
Lyle O Hoppie, Donald Speranza: Magnetic regenerative braking system. Eaton Corporation, Krass & Young, March 13, 1990: US04908553 (52 worldwide citation)

The present invention is a regenerative braking system useful in systems having variable kinetic energy such as vehicles. A DC machine having an independently energized field coil includes a rotor mechanically coupled for rotation at a speed proportional to the velocity of the load. During decelerat ...


3
Donald Speranza, E James Lane, Ronald K Markyvech: Automatic transmission controls with multiple downshift off-highway mode. Eaton Corporation, C H Grace, H D Gordon, March 18, 1986: US04576065 (42 worldwide citation)

An improved control system for an automatic change gear transmission (10) driven by a throttle (18) controlled engine (12) is provided. The control system includes a processing unit (30) for receiving inputs indicating at least throttle position (18), engine speed (20) and vehicle speed (28) and for ...


4
Donald Speranza: Upshift logic. Eaton Corporation, H D Gordon, August 7, 1990: US04947331 (37 worldwide citation)

An improved control system and method for an automatic/semi-automatic transmission system (10) including an automatic change gear transmission (12) driven by a throttle (26) controlled engine (14) is provided. The control system includes a processing unit (42) for receiving inputs indicating at leas ...


5
Thomas A Gee, Donald Speranza: Tire pressure monitor and deenergization circuit therefore. Eaton Corporation, R J McCloskey, J G Lewis, January 19, 1982: US04311985 (35 worldwide citation)

Tire pressure monitors are incorporated in vehicles having penumatic tires (14) to continuously or periodically measure the air pressure within the tires and to alert the driver should the pressure in one of the tires fall below a predetermined value. A self-contained battery powered rf transmitter ...


6
Donald Speranza: Amt off-highway downshift logic. Eaton Corporation, H D Gordon, July 25, 1989: US04852006 (33 worldwide citation)

An improved control system and method for an automatic transmission system (10) including an automatic change gear transmission (12) driven by a throttle (26) controlled engine (14) is provided. The control system includes a processing unit (42) for receiving inputs indicating at least throttle posi ...


7
William F Cote, Donald Speranza: Method for controlling AMT system including speed sensor signal fault detection and tolerance. Eaton Corporation, H D Gordon, July 18, 1989: US04849899 (32 worldwide citation)

A method for controlling an AMT system (10) is provided including sensing and identifying faulty input signals (ES, IS, OS) from the engine speed sensor (28), the input shaft speed sensor (32) and/or the output shaft speed sensor (36) and, if only one of the speed signals (ES, IS or OS) is faulty, m ...


8
William F Cote, Donald Speranza: Method and control system for updating of control parameter value indicative of master clutch point of incipient engagement. Eaton Corporation, H D Gordon, February 13, 1990: US04899858 (32 worldwide citation)

An improved automatic clutch control system for controlling a vehicle master clutch (16) drivingly interposed a throttle controlled engine (14) and a change gear transmission (12) in an automatic/semi-automatic mechanical transmission system (AMT) is provided. A monitored clutch parameter (CPV) is c ...


9
Donald Speranza: Method for controlling AMT system start from stop operation. Eaton Corporation, D A Rowe, H D Gordon, December 22, 1987: US04714144 (29 worldwide citation)

A method for controlling an AMT system (10) is provided including sensing vehicle start from stop operation and providing closed loop control of both the clutch operator (30) and the fuel control (26) during such operation. A function (E) of the difference between actual (N) and desired (A) engine s ...


10
Donald Speranza: Low power acoustic fuel injector drive circuit. Eaton Corporation, J G Lewis, C H Grace, September 4, 1984: US04469974 (29 worldwide citation)

An acoustic fuel injector-atomizer comprising a horn (74) actuated by piezoelectric crystals (28a, 28b) to form a resonant structure (18) excited by an oscillator signal. The oscillator (16) which generates the excitation signal is self-tuned to the resonant frequency of the structure (18) by means ...