12 best rotary generators

Rotary generators, also known as rotary electrical generators or simply generators, are devices that convert mechanical energy into electrical energy through electromagnetic induction. These devices play a crucial role in various industrial, scientific, and electrical applications. Here's what you need to know about rotary generators:

  1. Basic Principle: Rotary generators operate on the fundamental principle of electromagnetic induction, discovered by Michael Faraday in the early 19th century. According to this principle, when a coil of wire is rotated within a magnetic field, it generates an electromotive force (EMF) or voltage across the coil.

  2. Mechanical Energy Input: Rotary generators require a source of mechanical energy to function.This mechanical input can come from various sources, including steam turbines, water turbines (hydropower), wind turbines, internal combustion engines, and even human power (as seen in hand-cranked generators).

  3. Components: A typical rotary generator consists of several key components, including:

    • Rotor: The rotating part of the generator, usually a coil or a set of coils.
    • Stator: The stationary part that surrounds the rotor and contains the magnetic field (either permanent magnets or electromagnets).
    • Commutator (in DC generators): A device that converts the alternating current (AC) generated by the rotor into direct current (DC) by using brushes to maintain electrical contact.
  4. Types of Generators:

    • Alternators (AC Generators): These generators produce alternating current (AC) electricity. They are commonly used in power plants and automotive applications.
    • Direct Current (DC) Generators: DC generators produce direct current (DC) electricity and were widely used in the early days of electrical engineering.
    • Synchronous Generators: These generators produce AC electricity with a fixed frequency and are synchronized with the grid frequency.
    • Asynchronous Generators (Induction Generators): These generators are often used in wind turbines and produce AC electricity without the need for synchronization.
  5. Applications:

    • Rotary generators are used in power plants to generate electricity on a large scale.
    • Portable generators are used as backup power sources during outages or in remote locations.
    • They play a vital role in renewable energy sources such as wind turbines and hydropower plants.
    • Hand-cranked generators can be used for emergency lighting or charging small electronic devices.
  6. Electrical Testing and Measurement: Rotary generators are subject to regular testing and maintenance to ensure their proper functioning. Various electrical tests, such as insulation resistance testing, load testing, and voltage regulation testing, are performed to assess the health of the generator and its electrical output.

  7. Industrial and Scientific Use: Rotary generators are used in various industrial processes and scientific experiments where a controlled source of electrical energy is required.

In summary, rotary generators are devices that convert mechanical energy into electrical energy through electromagnetic induction. They are essential in various industrial, scientific, and electrical applications, providing a source of electricity for power generation and a wide range of other purposes.

Below you can find our editor's choice of the best rotary generators on the market
  

Ole man (on a) River: Kayaking the Mississippi River from Source to Sea

Based on 4 reviews Check latest price

Shout From A Rooftop: Based on a True Story

Based on 12 reviews Check latest price

Briggs & Stratton 692309 Rotary Switch Replacement for Models 396691 and 692309

Briggs & Stratton

Based on 367 reviews Check latest price

Product description

Keep it Running - Keep it Genuine. Help keep your outdoor power equipment running at peak performance by ordering Briggs & Stratton replacement and maintenance parts. You can find the right part you need including carburetors, air filters, spark plugs, tune-up kits and other engine repair parts. Only Briggs & Stratton genuine parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Briggs & Stratton engines. Not only are Briggs & Stratton genuine parts guaranteed to fit, but using them ensures that the Briggs & Stratton engine they are installed on complies with applicable (EPA) emission regulations.

  • Briggs & Stratton 692309
  • Genuine Briggs & Stratton Rotary Switch
  • Replaces Old Briggs # 396691, 692309

User questions & answers

Question: will this work on a homelite gen model
Answer: Yes it does.
Question: Will this work on a craftsman wood chipper with a 8hp Briggs engine
Answer: I dont know. use it in a Honda Civic 95
Question: Will this fit a Briggs and Stratton model 195432 style 1160 01. Will this replace its broken rotary switch
Answer: 1/4 inch in side
Question: Will this fit a power arc 4000 generator/welder
Answer: I fitted mine to an 02 Ducati, how would I know if the same pump fitted a Toyota, do your own research and take some responsibility for your own decisions!

Product features

Why Briggs & Stratton Genuine Parts?

Only Briggs & Stratton genuine parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Briggs & Stratton engines. Not only are Briggs & Stratton genuine parts guaranteed to fit, but using them ensures that the Briggs & Stratton engine they are installed on complies with applicable (EPA) emission regulations and helps maintain valuable warranty coverage.

Dual Output Rotary ignitor | UP-6B

Arkla,Charmglow,Ducane,Falcon,Fire Magic,Great Ou

Based on 22 reviews Check latest price

Product description

Rotary piezo spark generator. Two round connector leads spark both main burners.

Sold Individually

 

Model Compatibility:

Arkla: 4051K, 4051KN, 4451K, 4451KN, GA350617, U3521

Charmglow: 568UC, 635NG, 64036, 640HD, 644N7, 644NG, CG660EP, CG660SP, CN4411, CN650E, CN650ES, CN650S, CN660S, GA350517, U3501, U35016, U3507, U3521, U407H

Ducane: 1204, 1204SHLPE, 1204SHNE, 1205SHLPE, 1305SHLPE, 1305SHNE, 1504SHLPE, 1504SHNE, 1605, 1605SHLPE, 1605SHNE, 1605SHLPE, 1605SHNE, 5004SHLPE

Embermatic: 3520U, 4020U, 4020U6, 404UC, 4060U, 4060U6, 4420U, 4420U6, 4460U, 4460U6, 4461U, U3561, U4421, U5662 Falcon: 4029F, 4029F6, 4049F, 4049F6, W402,9 W4029-5, W4049

Fire Magic: 3148-66, 3275, 3280

Great Outdoors: 1000, 1000k, 3600G, 2003, 5500, 5500K, 6000, 6100, 7000, 7000W, 7500, 8000, 8100, 8500, 8500L, A032141, A032142, BLACKSTONE 1000, blackstone 8000, TG560, TG560P

Grill Master: 448DC, 448DC6, AG800C, AG800CB, AG801C, AG850C, AG850CB, AT570EPB9, AT809CP9, CG809CP9, GG481EP9, GG485EPB9, GG575EPB9, GG585EPB9, GG800C, GG800CB, GG800CP9, GG800CPB9, GG800CU, GG800S, GG801C, GG801CU, GG809CP9 GG850C GG850CB GG850CP9 GG850CPB9 GG850CPBU9, GG850CPQ9, GN800C, GN800CP9, GN850C, GN850CP9, HG7620SPB, HG850C, HN7501EPB, MG800CB, SG5502RPBM, SG5600SPB, SG7620SP, SG7620SPB, WG580EPB9, WG800CP9

Sunbeam: 26122, 36035, 48112, 48122, 48214, 48224, 48313, 48528, 49121, 5661U, 63055, 63536, 6353H, 63556, 63576, 640NG, 64415, 64438, 6443H, 6443V, 644N5, 65256, 65276, 65658, 65678, 68729, 68817, 69119, 69219, 69313, 69415, 69418, 69518, 6951A, 69528, 69618, 69718, 79416, 79426, 7942C, 79816, 79817, 7981S, 79917, 8642C, 89229, 89328, 89429, 89523, 89527, 8952C, 89627, 89727, 89826, HG7501EPB, HG7620SPB, HN7501EPB, N652C, N656C, SG5600SPB, SG6501EPB, SN6501EPB, ST5600SPB, U

  • Listing is for 1 spark generator.
  • Rotary piezo spark generator with 2 outlets
  • Fits Broil King 1992 & later models 5818-4, 5818-7, 958-74, 958-77, 96924, 96927, 96974, 96977, Imperial 20, Imperial 70, Regal 70, Signet 50; DCS 48
  • Fits DCS 48 series, 48BQ, 48BQAR, 48BQR, 48DBQ, 48DBQAR, 48DBQR, 48EBQAR, 48EBQR; Ducane 1204, 1204S, 1204SHLPE, 1204SHNE, 1300, 1300SHLPE, 1300SHNE

User questions & answers

Question: how far apart are the mounting holes? Exactly
Answer: It fit my 2010 1500 5.3 v8 no issues

Baomain Universal Rotary Changeover Switch SZW26-63 660V 63A 3 Position 3 Phase

Baomain

Based on 191 reviews Check latest price

Product description

  • Feature plastic external material, 3 positions , locking action type, 12 screw terminals, fit for 1.3cm panel thickness.
  • Changeover switch mainly suitable for electrical wiring in the power switch and Squirrel cage type asynchronous motor start-up, reversing, speed switches, also can make the conversion of the control circuit.
  • If you want changeover switch with exterior box, please search ASIN: B07H5GZ53G or B07FJYZLD3 to get it.
    • Pole Numbers : 3 Pole
    • Ui : 660V ; Ith : 63A
    • Positions : 3 Positions(1-0-2)
    • Overall Size : 131 x 65 x 65mm /5.1" x 2.5" x 2.5"(L*W*T)
    • Total Weight : 439g

    User questions & answers

    Question: Can this be used in a dc application? for example switch charging my battery from solar or shore power
    Answer: On the Bosch auto parts website, Bosch fuel pump # 67305 is the pump for your 2002 GMC 6-cylinder with evap emission controls. Part # 67429 is without evap emission control. When I removed my factory original it looked nothing like the AC-Delco replacement which was made in Mexico. The Bosch is a true plug and play, all other will require you to splice your wires. Bosch is made in USA.
    Question: It has a label that says 240v / 2.5a ith=63a. what does 2.5a mean
    Answer: Some of the companies I believe build the entire fuel pump assemblies under their name but the actual motors are not their brand. I ended up not being able to use it because when I dropped the gas tank the assembly had sat in old has too long and corroded beyond just trying to swap the motor part alone. It didn't appear to be an exact fit without modifying something so I just bought the whole assembly within a few bucks and resold the "Bosch"one Someone could have swapped out a broken one for a new one and returned it as new at some point as well if the bag looks torn open
    Question: Anybody have a wiring diagram for this unit to connect a 240v 50a circuit? need a switch to change between feeding a 50a outlet and 50a piece of equip
    Answer: Yes, this will work for you.
    Question: Just received the switch & it's sturdy but there are no instructions on how to wire for 2 power sources to one load. where do i get the instructions
    Answer: I put this in my 2010 silverado with flex fuel. Ive had no issues, BUT i cannot say that ive put e85 in it since installing it to try e85 through the pump.

    Fire Magic Grills Ignitor Spark Generator with Bracket & Knob (Rotary)

    Fire Magic Grills

    Based on 4 reviews Check latest price

    Product description

    Fire Magic Rotary Ignitor Spark Generator with Bracket & Knob for Regal 2, Regal 1, Custom 2, Custom 1 and Deluxe Grills. Comes complete with ground wire and knob. Features: Type: Ignitor. Comes standard with Bracket & knob.

    6 Terminal Manual Pulse Encoder,IP54 Aviation Aluminum Rotary Knob Encoder ,100 Stop Positions CNC Mill Router Control System Electronic Hand Wheel

    Jectse

    Based on 4 reviews Check latest price

    Product description

    Switch Encoders

    100% brand new and high quality This pulse encoder is suitable for manual pulse input type such as CNC or Milling machine High reliability, 6mm terminal connection type Ultra-thin and lightweight design, metal gear, smooth rotation, no sticking point position Hand wheel 100 stop positions, can return to normal, no high level output



    Specifications:

    Material: aviation aluminum

    Color: black, white (Optional)

    Product type: 6 terminal

    Voltage: 5V

    Diameter: 60mm/2.36in

    Consumption current: ≤100mA

    Response frequency :0-20 KHZ

    Empty ratio: 0.5 T ± 0.1 T

    Mechanical revolution: 500rpm

    Normal revolutions: ≤200RPM

    Protection: oil proof, water-resistance, dustproof IP54

    Working temperature: -10~70℃

    Working humidity: 30-85%

    Size: as the picture

    Weight: 200g



    Package includes:

    1 x CNC Pulse Encoder





    • ★★★★★【Application 】- Widely used for CNC numerical control system, such as CNC lathes, CNC grinding machines, CNC milling machines, engraving machines,etc.
    • ★★★★★【Durable 】- This electronic handwheel made of high grade aviation aluminum,durable and reliable to use.This hand wheel is a great replacement to replace the broken one.
    • ★★★★★【6 Terminal 】- 6mm terminal connection type Ultra-thin and lightweight design, metal gear, smooth rotation, no sticking point position Hand wheel 100 stop positions, can return to normal, no high level output
    • ★★★★★【High quality】 - 100% brand new and high quality This pulse encoder is suitable for manual pulse input type such as CNC or Milling machine High reliability,This handwheel is easy to install and use.
    • ★★★★★【Specifications】 - ❶Diameter: 60mm/2.36in ❷Consumption current: ≤100mA❸Response frequency :0-20 KHZ❹Empty ratio: 0.5 T ± 0.1 T❺Mechanical revolution: 500rpm

    The ROP Shop Carburetor Carb for Tecumseh Rotary 13154 Oregon 50-655 Generator Chipper Engine

    Product description

    Please review all product information to ensure that this product is compatible with your unit./p>



    Before processing a product for warranty, it must be verified as the correct part by the OEM part number(s) and/or model number(s). If you have any questions or concerns, please ask.





    A Message to the Customer

    The ROP Shop staff constantly strives to provide clear and concise product information. We understand that sometimes it can be difficult to confirm product compatibility. It is your responsibility to confirm this is the correct product you need; therefore, we encourage all customers to fully review the information provided in this listing prior to purchase. Any specific models stated in the listing are potential matches only and not a guarantee of compatibility. Nothing is worse than having to return a product, trust us…we get it. Let’s work together to avoid this! If you are unsure as to whether or not this is the correct product for your unit, please ask. If you seek assistance we will need as much of the following information as possible, if applicable, to help you find the product you are looking for:



    Model and/or Sub-model

    Spec and/or Type Number

    Code and/or Serial Number

    Year

    Engine Horsepower



    Our knowledgeable product specialists are always willing to help you verify product fitment. Stay rugged, my friend.



    -The ROP Shop Staff

    • New CARBURETOR Carb Carby
    • For Tecumseh Rotary 13154 Oregon 50-655 Generator Chipper Engine
    • Replaces Tecumseh: 640152, 640152A, 640023, 640051, 640140, 640112
    • Fast Shipping by The ROP Shop
    • Quality Aftermarket Part with 1 Year Warranty

    90 Degree Fuel Shut Off Valve Service Kit Bushing Filter Grommet for 192980GS 208961 Kohler 25 462 03-S Rotary 13116 Plastic Gas Tank Engine Generator Pressure Washer

    Based on 379 reviews Check latest price

    Product description

    90 Degree Fuel Shut Off Valve Service Kit Bushing Filter Grommet for 192980GS 208961 Kohler 25 462 03-S Rotary 13116 Plastic Gas Tank Engine Generator Pressure Washer



    Compatible with:

    Replaces for 192980GS, 208961

    Fits Plastic tanks on generators 25 462 03-S 13116



    Package included:

    1x Shut Off Valve

    1x Clamp

    1x Grommet

    • Replaces for 192980GS, 208961
    • Fits Plastic tanks on generators Kohler 25 462 03-S Rotary 13116.
    • 90 degree gas valve with filter & grommet.
    • Package Included: 1x Shut Off Valve, 1x Clamp, 1x Grommet as pictured.
    • Please refer the Fitment details at product description and the pictures before making buying choice, and contact us if you have any questions about the product.

    User questions & answers

    Question: does the grommet fit a 33/64" Fuel Tank Hole
    Answer: Never measured the psi, however, I never had an issue with this pump used on a 2001 GMC Sierra 2500HD with the 6.0L.
    Question: Will this fit a 14mm hole
    Answer: Yes. It is a complete assembly. Works great in my '02 Sierra.
    Question: Will this fit a pramac s5000 generator
    Answer: Bosch offers a limited lifetime warranty of one year on all Bosch products. Info from Summit Racing website on this pump.

    Music City Metals 03230 Spark Generator Replacement for Select Centro and Ducane Gas Grill Models

    Based on 8 reviews Check latest price

    Product description

    Spark generator for Gas Grill Models Centro 3000RT, Centro 85-1207-2, Centro G30100, Ducane 1205SHNE, Ducane 2004, Ducane 2004CPGLP, Ducane 2004S, Ducane 2004SHLPE, Ducane 2004SHNE, Ducane 2005, Ducane 2005SHLPE, Ducane 2005SHNE, Ducane 5004, Ducane 5004S, Ducane 5004SHLPE, Ducane 5004SHNE, Ducane 5005, Ducane 5005SHLPE, Ducane 5005SHNE, Ducane COSTCO

    • Listing is for 1 spark generator.
    • Potary piezo spark generator with 3 outlets
    • Fits Broil King 1992 & later models 5848-4, 5848-7, 95894, 95897, 96944, 96947, 96994, 96997, Imperial 40, Imperial 90, Regal 90
    • Fits Broil King 1992 & later models Signet 80; Centro 3000RT, G30100; Ducane 2004, 2004CPGLP, 2004S, 2004SHLPE, 2004SHNE, 2005, 2005SHLPE, 2005SHNE
    • Fits Broil King 1992 & later models 5004, 5004S, 5004SHLPE, 5004SHNE, 5005, 5005SHLPE, 5005SHNE, COSTCO

    Rotary 8935 Fuel Cap

    Rotary

    Based on 686 reviews Check latest price

    Product description

    Rotary Fuel Cap

    • Replaces: AYP/Roper/Sears 140527, 141523, 197725, 425162, 430220, 532430220, 581075501
    • Replaces: Husqvarna 532140527, 532197725, 532425162, 532430220, 581075501
    • Replaces: MTD 751-3111, 7510603A, 951-3111; Snapper/Kees 14363, 7012515
    • Inner Diameter of cap is 2 1/4"

    User questions & answers

    Question: How many inches in diameter
    Answer: I don't know. I threw mine away as it did not fit the gas cap opening on my Polaris even though it was the correct diameter.
    Question: Will it fit troy bilt storm 2410 snow blower
    Answer: No, Storm 2410 not listed as compatible.
    Question: What is the diameter of the gas tank opening that this cap fits
    Answer: Inside diameter is 1- 3/4" outside diameter is 2-1/8 "
    Question: Is this cap same as a
    Answer: According to the info provided, yes, the items are the same. Fuel Cap for Mtd Replaces Mtd 751-0603 Brand: Rotary Corp · Rotary Part Number: 8935

    5V 4 Terminal CNC Eletronic Hand Wheel, 60mm Diameter Rotary Manual Pulse Generator Encoder for CNC System

    Wal front

    Based on 2 reviews Check latest price

    Product description

    Description:

    This CNC electronic handwheel is 60mm diameter,4 terminal, it is a great replacement for your old or broken one. 100% brand new and high quality, widely used for CNC numerical control system, such as CNC lathes, CNC grinding machines, CNC milling machines, engraving machines,etc. Easy to install and use.



    Specification:

    Material: metal, plastic

    Input voltage: 5V

    Handwheel diameter: 60mm

    Terminals: 4 terminals

    Weight: Approx.158g/5.6oz



    Package List:

    1 × Handwheel



    • [4 terminal]:This CNC electronic handwheel has 4 terminal, the diameter is 60mm.
    • [Easy installation]:This handwheel is easy to install and use.
    • [Application]:Widely used for CNC numerical control system, such as CNC lathes, CNC grinding machines, CNC milling machines, engraving machines,etc.
    • [Durable to use]:This electronic handwheel made of high grade metal and plastic, durable and reliable to use.
    • [A great replacement]:This hand wheel is a great replacement to replace the broken one.

    Latest Reviews

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