Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on June 22, 1973.
As of Monday, October 14th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Models
1966-1973 Model Year Vehicles.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-11
  • Executive Order 11 / D11
  • ARB # D-11
  • Executive Order No: D-11
  • C.A.R.B. No. D-11
  • Resolution D-11
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-11 PDF

D-11 Document:



                           State of California
                           AIR RESOURCES BOARD



                           EXECUTIVE ORDER D—11
               Relating to Exemptions under Section 27156
                           of the Vehicle Code



                        THERNMO KING COPPORAMTION
                              "THERMOTRONIC"



Pursuant to the authority vested in the Air Resources Board by Section
27156 of the Vehicle Code; and

Pursuant to the authority vested in the undersigned by Section 39023 of
the Health and Safety Code;

IT IS ORDERED AND RESOLVED:     That the installation of a "THERMOTRONIC"
capacity discharge ignition system manufactured by Thermo Xing Corporation
has been found to not reduce the effectiveness of required emission
control devices in vehicles and therefore is exempt from the prohibitions
of Section 27156 of the Vehicle Code for 1966—1973 model—year vehicles.
The device consists of a sensor, d—c converter, storage capacitor and a
electronic switch.

This Executive Order is valid provided that installation instructions
for this device will not recommend tuning the vehicle to specifications
different than those listed by the vehicle manufacturer.

THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATION, ACCREDITATION,
APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE AIR RESOURCES BOARD OF
ANY CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY
ALLEGED BENEFITS OP THE "THERMOTRONIC" DEVICE.

No claim of any kind, such as "Approved by Air Resources Board" may be
made with respect to the action taken herein in any advertising or other
oral or written communication.

Section 17500 of the Business and Professions Code makes unlawful, untrue
or misleading advertising and Section 17534 makes violation punishable
as a misdemeanor.

Section 39130 and 39184 of the Health and Safety Code provide as follows:

     "39130.    No person shall install, sell, offer for sale, or advertise,
    or, except in an application to the board for certification of a
    device, represent, any device as a motor vehicle pollution control
    device unless that device has been certified by the board.  No
    person shall sell, offer for sale, advertise, or represent any motor
    vehicle pollution control device as a certified device which, i n
    fact, is not a certified device.  Any violation of this section is
    a misdemeanor."


EXECUTIVE ORDER D—11                                   "THERMOTRONIC®




     "39184.  No person shall install, sell, offer for sale, or advertise,
     or, except in an application to the board for accreditation of a
     device, represent, any device as a motor vehicle pollution control
     device for use on any used motor vehicle unless that device has been
     accredited by the board.  No person shall sell, offer for sale, adver—
     tise, or represent any motor vehicle polliution control device as an
     accredited device. Any violation of this section is a misdemeanor."

Any apparent violation of the policy or laws will be submitted to the
Attorney General of California for such action as he deems advisable.




Executed at Sacramento, California, this       day of June, 1973.




                       JOHN A. MAGA
                       Executive Officer


                    State of California

                    AIR RESOURCES BOARD


                      May 25, 1973

                       Staff Report



         Evaluation of Termo King Corporation
      "Thermotrcnic Ignition System" Breakerless
       Capacitive Discharge Iqgnition System For
       Exemption to the Prohibitions of Section
               27156 of the Motor Vehicle Code.



Introduction

Thermo King Corporation, Minneapolis, Minnesota, has applied

for exemption to the prohibitions of Section 27156 of the Motor

Vehicle Code for the "Thermotronic" breakerless capacitive dis—

charge system.     Section 27156 prohibits the installation of any

device which reduces the effectiveness of‘motcr vehicle emission

control systems.     The applicant intends to sell the device as an

"after—market" part to replace the standard ignition system.



The Air Resources Board has adopted criteria for the evaluation

of "after—market" devices for compliance with Section 27156. The

basis for evaluation isvdefined in the "Air Resources Board

Criteria for Determining Compliance with Section 27156 of the Motor

Yehicle Code", dated february 17, 1971.


System Description

For a general description of breakerless capacitive discharge

 systems, see staff report "Evaluation of Capacitive Discharge

and Transistorized Ignition Systems for Compliance with the

 Requirements of Section 27156 of the Motor Vehicle Code",

dated February 14, 1973.



The "Thermotronic" device consists of two major components:       A

sensor and power unit (see schematic).

                  76&——NW——
               switch           i    “-“——‘1            '“—é
                                                            2) Coil
——             Trigger Unit    l—‘        Converter    g;   3
~~                            ' L_]            Unit     :
~;   Battery             .     L)                      1    ‘
                                Cam
                                                                      To distributo
                    4                                                 and spark plu

The sensor is a magnetic pulse generator whose pulses are gen—

erated by movement of the distributor cam in the magnetic field.

This signal is fed into the capacitive discharge circuit discharging

the storage capacitor into the primary windings of the ignition

coil.   The capacitive discharge circuit consists of a D—C converter,

storage capacitor and an electronic switching circuit.      The system

is capable of an output of 32 KV and 60 millijoules.


iI.   Emission Testing

      The applicant has submitted hot CVS test data conducted by

      Seott Laboratories (Tables 1 and 2).           The hot CVS test data

      are summarized below:

                                      Hot CVS

                              Percent Deduction

                              Feled       co        NOx
      Thermotronic            6           9         —3
      {2 vehicle fleet)

      (—} indicates an increase


      Because of the number of exefiption applications received from

      manufacturers of capacitive discharge ignition systems, Air

      Resources Board Laboratory confirmatory tests were not performed

      on the "Thermotronic" system,.          A Clytronics Corporation "Clytron"

      breakeriess C—D system was selected for testing to represent this

      group.   The results of these tests are shown in the staff report

      "Evaluation of Clytronics Corporation "Clytron" Breakerless Capacitive

      Discharge Iqgnition System for Exemption to the Prohibitions of

      Section 27156 of the Motor Vehicle Code".           These data verify that a

      breakerless capacitive discharge iénition system does not adversely

      affect the exhaust emissions of a "tuned" engine.


IVv.   Conclusions afid Récemmendations

       It is the staff opinion that Thermo King "Thermotronic" breaker—

       less capacitive discharge ignition system will not adversely

       affect motor vehicle exhaust emissions when evaluated with respect

       to the exhaust emissions obtained with a conventional ignition

       system of a."tuned" engine.   This device may also have a beneficial

       effect in the control of exhaust emissions in that the device may

       maintain the “tfined" condition for a longer pericd of time.    There—

       fore, the "Thermotromic" breakerless capacitive discharge ignition

       system should be exempt from the prohibitions of Section 27156 of

       the motor vehicle code.


                              Table 1

                   Description of Test Vehicles


                            Car 1                                  Car 2

Year                       1973     _                            1973

—Make                   Chevrolet           ‘                    Ford

Model                   Pick~Up                       .       Grand Toriro

License No.             82901 M (Calif.)                      826 CHL (Calif.)

 I. D. Ko.              CCY1432105399                         34318117559

Engine CID                  350                   "               351

Carb. BBLS     |           4V4          —                         2V

Transmission              Auto                            _     Auto


                                                   Table 2

                                             Emission Test Results


                      Exhaust Emissions, gms/mi.              Idla Readings
    Vehicle            HC     60     No *    co
                                    nomage <—C—R—
                                                              RPM   Timing _       Remarks

1973 Chev.            1.66    25.84   2.50      710.7         600    12°Btc    Baseline Test

1975 Chev.             1.49   24.66   2239      670.8         620    12°e7C    With Device Test




1973 Ford              1.66   17.53   1.93      796.4         625     6°Btc    Baseline Test

1973 Ford              1.64   14.66   2.16      768.9         625     6°Btc    With Device Test




*    Total oxides of nitrogen measured by chemiluminescence method
     and corrected for ambient humidity



Document Created: 2005-09-01 12:44:31
Document Modified: 2005-09-01 12:44:31

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