GB1155909A - Internal Combustion Engines - Google Patents

Internal Combustion Engines

Info

Publication number
GB1155909A
GB1155909A GB3210867A GB3210867A GB1155909A GB 1155909 A GB1155909 A GB 1155909A GB 3210867 A GB3210867 A GB 3210867A GB 3210867 A GB3210867 A GB 3210867A GB 1155909 A GB1155909 A GB 1155909A
Authority
GB
United Kingdom
Prior art keywords
switch
cylinder
relay
voltage
cam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3210867A
Inventor
Siegfried Kindermann
Horst Schneider
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institut fuer Schiffbau
Original Assignee
Institut fuer Schiffbau
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institut fuer Schiffbau filed Critical Institut fuer Schiffbau
Priority to GB3210867A priority Critical patent/GB1155909A/en
Publication of GB1155909A publication Critical patent/GB1155909A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

1,155,909. Measuring power electrically. INSTITUT FUR SCHIFFBAU. July 12, 1967, No. 32108/67. Heading GIN. Each cylinder 1 of an I. C. engine has an associated Piezo-electric pressure transducer 2, and the power output of a cylinder is determined by connecting its transducer 2 via a switch 5 to an integrating amplifier 13, an inverter 12 being included in the amplifier input by operation of contact 6" of a relay 6 during piston movement in one direction, and not included during piston movement in the other direction. The amplifier output thus represents the difference between the integrals of two successive portions of the pressure/time characteristics of the cylinder, and is said to be proportional to the area of the closed loop curve which would show pressure against piston displacement, and which is related to power output. The relay 6 is operated by whichever of the switch arms 3 has been selected by the switch 5 to connect a voltage U a to the relay. The switches 3 are cam operated by a cam (4, Fig. 2, not shown) connected to the crank-shaft, one switch 3 corresponding to each cylinder. A stepping switch 7 is stepped one position for each operation of a contact 6' of the relay 6, and opens contacts 8' after a predetermined number of cylinder operations. Actuation of a switch 11 to a position II causes the voltage U a to be supplied to an alternative set of switches 10 operated by a cam 14, each switch 10 again corresponding to a particular cylinder and causing a voltage pulse to be produced at X to trigger a CRT trace. The voltage to be observed on the trace is connected to terminal Y via switch 11 from the desired transducer 2. The relay 6 is now inoperable and no power reading is obtainable, but instead a pressure/time curve is observable on the CRT.
GB3210867A 1967-07-12 1967-07-12 Internal Combustion Engines Expired GB1155909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3210867A GB1155909A (en) 1967-07-12 1967-07-12 Internal Combustion Engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3210867A GB1155909A (en) 1967-07-12 1967-07-12 Internal Combustion Engines

Publications (1)

Publication Number Publication Date
GB1155909A true GB1155909A (en) 1969-06-25

Family

ID=10333367

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3210867A Expired GB1155909A (en) 1967-07-12 1967-07-12 Internal Combustion Engines

Country Status (1)

Country Link
GB (1) GB1155909A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206592A1 (en) * 1992-03-03 1993-09-09 Nowak Klaus METHOD AND DEVICE FOR MEASURING THE POWER OF ENGINES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206592A1 (en) * 1992-03-03 1993-09-09 Nowak Klaus METHOD AND DEVICE FOR MEASURING THE POWER OF ENGINES

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