Adnimation ATF

Collapse

MECF_728x90_top

Collapse

Announcement

Collapse
1 of 2 < >

PRIVATE MESSAGE HINT/HELP

Some are having trouble seeing a PM another member has sent them, saying it is just the title and then a big white blank page. Just click on the title and the message will open up for you. Thanks.
See more
See less

New ME Patents Approved for Active Side Skirts, Spoiler & Downforce Generating Ducts

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • New ME Patents Approved for Active Side Skirts, Spoiler & Downforce Generating Ducts

    Remember all the talk about adaptive aerodynamics being discussed a year ago? It looks like GM is serious as they have recently received three new Patents for adaptive aero technologies. The following is an excerpt from our post at CorvetteBlogger.com as we looked closer at each of the three Patent Publications.


    Active Side Skirts:

    The patent publication explains that vehicle side skirts are an aerodynamic device typically fitted to a vehicle body side between the front and rear wheels. The purpose is to help streamline ambient airflow around the rear wheels to reduce drag. According to the summary in the patent, the larger the area of the side skirts, the lower aerodynamic drag on the vehicle.

    The Active Side Skirt system utilizes sensors to detect the rotating speed of the wheel as well as the speed of the vehicle relative to the road surface, and a controller is programmed to send commands to actuators that can extend and retract the side skirts "toward and away from the road surface".








    Active Spoilers

    Like the side skirts, spoilers are used to "spoil" unfavorable air movement across the body of a vehicle in motion, usually described as turbulence or drag. Adding a spoiler at the rear of the vehicle helps to delay airflow separation from the body. As we have learned recently from the two different styles of the spoilers on the 2019 Corvette ZR1, a spoiler mounted as a certain height and angle can either help to reduce lift and create downforce like the ZR1's high wing, or it can be used to streamline the airflow to reduce drag as is the function of the ZR1's low wing.

    Of course, nobody wants to carry around two different spoilers. So the Active Spoiler system detailed in the Patent publication solves that problem.

    Stanchions are used to support the spoiler body relative to the car. Connected to a gear and motor system, they can be configured to vary the height of the spoiler. A second process is configured to selectively pivot the body of the spoiler to change the angle and thereby adjust the aerodynamic downforce generated by the spoiler.

    Like the active side skirts, the active spoiler can include sensors that communicate a variety of information for controlling the active spoiler. Sensors look at the rotating speed of the rear wheels as well as detecting the velocity of ambient airflow relative to the vehicle. Other sensors look at the steering wheel angle as well as detecting the yaw rate. All these sensors feed information to the controller which then adjusts the height and angle of the spoiler.








    Downforce Generating Ducts

    This next patent is pretty straightforward for what is described as downforce generating ducts. We all know that ducts are used on the Corvette to move air from one part of the car to another. The C7 Corvettes featured ducts on the rear quarter panels that are used for cooling the transmission and differential fluids. On a mid-engine platform, cooling is even more important as you need forward-facing ducts to capture the air and then route to the various areas that need additional cooling.

    In this patent publication, GM describes the ducts as a fully-enclosed structure, and it contains a first or entry port positioned to receive the ambient airflow and a second or exit port to exhaust the airflow from the duct. The first and second ports together with the fully-enclosed structured are configured to generate an aerodynamic downforce on the vehicle body when it's in motion.

    GM also notes that the ducts can be found both top and bottom of the car and that they can include a venturi to accelerate the portion of the oncoming ambient airflow.



    Senior Editor and Founder of CorvetteBlogger.com. I drive my dad's 1966 Corvette Sting Ray Convertible and the National Corvette Museum is my personal Graceland.

  • #2
    Thank you [email protected]! Great thread post! Keith and I wish to express our very special gratitutde to a unique person within our MECF community, who found and passed on this information to us.. Thank you “secret person” for alerting us to this major ME aero info. Fantastic job you did in ferreting out this info, which while public, was hidden to us mere mortals heretofore.

    CorvetteBlogger first found the original GM “active aero” pending patent on March 23, 2017. It is contained in full in this thread:

    https://www.midenginecorvetteforum.c...re-active-aero

    What is significantly different 15 months later, is that the items listed above have now been somewhat refined and are now approved patents.

    I have the detailed schematic pages on each aero component, and as time allows later, I will put up the entire text and every picture within each patent below in this thread.
    Last edited by John; 08-13-2018, 05:10 PM.
    GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

    Comment


    • #3


      Active Side Skirts (patent in its entirety):

      Click image for larger version  Name:	8974E07A-E466-4FF8-BCC1-7DA9D01ACD66.jpeg Views:	1 Size:	787.8 KB ID:	4400Click image for larger version  Name:	3D382188-03C8-4E92-8078-398578BB2481.jpeg Views:	1 Size:	492.1 KB ID:	4401

      Click image for larger version  Name:	880A31DC-0713-4199-8BBD-3A04735E72EE.jpeg Views:	1 Size:	366.1 KB ID:	4402
      Click image for larger version  Name:	B4789A37-9B77-4F95-92F1-693CF09B6B73.jpeg Views:	1 Size:	443.1 KB ID:	4403

      Click image for larger version  Name:	411C7C0D-F371-4A6D-B0C9-04E0B66E30F7.jpeg Views:	1 Size:	1.36 MB ID:	4404

      Click image for larger version  Name:	CDD5C235-9275-4D4A-8F17-4D2320E1356B.jpeg Views:	1 Size:	1.63 MB ID:	4405

      Click image for larger version  Name:	FCA3C260-1D3E-4356-863E-3A9A9F74DFB5.jpeg Views:	1 Size:	1.59 MB ID:	4406

      Click image for larger version  Name:	B505813F-5F67-4E76-8427-AADB856A88A9.jpeg Views:	1 Size:	1.45 MB ID:	4411

      Click image for larger version  Name:	344E320E-4F51-490D-ACD7-DCB6E1703D32.jpeg Views:	1 Size:	678.2 KB ID:	4412
      Last edited by John; 08-13-2018, 04:04 PM.
      GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

      Comment


      • #4
        “Active Spoilers” (patent granted in its entirely):

        Click image for larger version  Name:	0ECF575D-FC32-46EA-8E7D-0150A9E4DE46.jpeg Views:	1 Size:	701.6 KB ID:	4421

        Click image for larger version  Name:	EB24F619-4260-408B-8BF5-B2CE84243B73.jpeg Views:	1 Size:	578.1 KB ID:	4422

        Click image for larger version  Name:	025E9075-8130-4EC2-B0B1-6DAD15E3A650.jpeg Views:	1 Size:	384.8 KB ID:	4423

        Click image for larger version  Name:	29A1BC61-F9C5-4211-99E1-6E08CCC455D3.jpeg Views:	1 Size:	425.6 KB ID:	4424

        Click image for larger version  Name:	63C9E439-B86C-4427-A1F5-BC70E327B763.jpeg Views:	1 Size:	422.4 KB ID:	4425

        Click image for larger version  Name:	6EF4EF1B-FE52-4122-A991-AADFB4CB8A5A.jpeg Views:	1 Size:	1.48 MB ID:	4426



        Click image for larger version  Name:	0AF854C9-B247-4874-89AE-46ED7A57DEBC.jpeg Views:	1 Size:	1.51 MB ID:	4427

        Click image for larger version  Name:	6FEE11F7-45A8-4815-8C77-187AA60CD210.jpeg Views:	2 Size:	1.59 MB ID:	4428

        Click image for larger version  Name:	AAED2FF3-10AC-46BC-A45E-2EADE03BC079.jpeg Views:	2 Size:	1.61 MB ID:	4429



        Click image for larger version  Name:	D3C75981-0D56-48C8-B971-59F68BBB69F7.jpeg Views:	1 Size:	1.40 MB ID:	4431

        Click image for larger version  Name:	63ECA341-CEBC-4BBC-B78A-B6C5E88052E1.jpeg Views:	1 Size:	201.9 KB ID:	4432

        Last edited by John; 08-13-2018, 04:25 PM.
        GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

        Comment


        • #5
          Downforce Generating Duct (patent in its entirety)

          Click image for larger version  Name:	3B908743-984A-4A21-8178-0EBBA0A5185E.jpeg Views:	1 Size:	725.0 KB ID:	4433

          Click image for larger version  Name:	A7479509-EB33-41C8-9E2C-40345B5524B3.jpeg Views:	1 Size:	541.3 KB ID:	4434

          Click image for larger version

Name:	B5CD5246-5B5D-4AA1-ABDE-EFCF5C40DD07.jpeg
Views:	113
Size:	406.2 KB
ID:	4436

          Click image for larger version

Name:	7421E592-A8D2-468E-A053-E063350584BB.jpeg
Views:	118
Size:	557.5 KB
ID:	4437

          Click image for larger version

Name:	BDF2FBEA-EB4F-4214-B322-05D7875C1D63.jpeg
Views:	111
Size:	1.35 MB
ID:	4438

          Click image for larger version

Name:	8083BD35-7DAF-4425-9584-70DC333912FE.jpeg
Views:	111
Size:	1.64 MB
ID:	4439

          Click image for larger version

Name:	2509D155-FC77-4C3E-9F65-9F0078C2A3D5.jpeg
Views:	111
Size:	1.59 MB
ID:	4440

          Click image for larger version

Name:	1972F2C9-EBC9-49FE-A19A-FE6B5E0E0BDF.jpeg
Views:	112
Size:	1.42 MB
ID:	4441

          Click image for larger version

Name:	CCA1B35A-CE9A-45B4-9076-593A9CD4E03D.jpeg
Views:	134
Size:	240.9 KB
ID:	4442



          Last edited by John; 08-13-2018, 04:31 PM.
          GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

          Comment


          • #6
            side skirts can also be shaped to generate vortex air flow which can aid in pulling the air from under the car, which will create downforce.
            3LT Long Beach Red , Z51, FE4 , ZZ3, Black interior ,38S red stitching, Q8T, FA5, ER1, CFX, and R8C

            Comment

            MECF_728x90_bottom

            Collapse
            Working...
            X