Dyson Hack ? How to Make a DIY Dyson Cyclonic Vacuum!
2009-10-14 22:42:00 For those of you who want to build a Dyson vac-like vacuum with cyclonic vacuum feature, you might want to check out this DIY that shows you how to make a cyclonic vacuum. It ain’t anywhere like a Dyson but it may serve as a good alternative if you don’t need all the bells and ...
Vacuum The Mess
2009-09-05 20:46:00 If you vacuum up coffee grains that have fallen on the floor then be aware that every time you vacuum for the next few months…you will have the aroma of coffee. I personally find it very annoying so I have washed out my filter and have since replaced that smell with lavender essential oil.... This is a content summary only. Visit my website for full links, other content, and more!
Oddball Vacuum Tube?
2009-08-29 01:47:00 I remember a article years ago about making your own vacuum tube, and it was a odd tube--instead of being based off the Edison lamp, this was based off the design of the glass cartridge fuse, with contact rings at both ends. Now--someone help me with the name of the tube, all I can remember is
Pump suction line full vacuum in transient simulation
2009-08-28 16:48:00 As the subject says, the simulation of pump shut down transient event shows full vacuum conditions in suction line (1500/800mm). The three pumps are quite big ones - approx. 1750 l/s @ 120mHd per pump. The elder engineers stand the opinion that this is calculation error in the software (modeling pro
Carbon Vacuum chamber or epoxy
2009-08-27 23:15:00 My friend has a large carbon steel horizontally orientated vacuum chamber measuring 5x7 feet. He uses it for aluminum deposition. For the past few months we've been trying to drop the pressure into the 10^-6 Torr range. Aside from all the real leaks we found the chamber does not pass the white glove
Vacuum Theory
2009-08-20 22:30:00 I have put a very basic sketch here of our plants use of vacuum. The process we use is for foam molding. We use a steam autoclave to create the molding process desired. We then need to remove heat and water saturated air from the autoclave chest. We achieve this by using Liquid ring vacuum pumps (wi
Water-Ring Vacuum Pump Loses Vacuum
2009-08-12 23:15:00 Water ring type vaccume pump maintaining less vaccume. Pump suppose to create -25 inch Hg vaccume but it is creating just -10 inch Hg vaccume. So what are the reasons for the same and what to do to solve this problem.
Vacuum Pump Problems
2009-08-11 11:44:00 vaccume pump trip due to overload but when we throttle gas inlet valve load reduced. the pump is liquid ring vaccum pump.
For Vacuum High Voltage Discharge Experts Only
2009-07-30 15:48:00 What is the way to find safe distance for high voltage (30kV) electrodes in vacuum near 1nbar to 0.1nbar range in which arc discharge will not take place? If you have a proper graph for such high vacuum level for safe distance for electric discharge then you can add it up here. All vacuum high
Vacuum High Voltage Discharge - Experts Only
2009-07-30 15:48:00 What is the way to find safe distance for high voltage (30kV) electrodes in vacuum near 1nbar to 0.1nbar range in which arc discharge will not take place? If you have a proper graph for such high vacuum level for safe distance for electric discharge then you can add it up here. All vacuum h
Nerdy "Spiderman" Scales Building Using Vacuum Gloves
2009-07-30 03:00:00 In the name of science, engineer Jem Stansfield climbs a 100-foot building using a pair of homemade vacuum gloves.
capacitors in 11kv vacuum bkr. feeder
2009-07-28 01:21:00 Recently in my plant in an 6.6kv vacuum bkr. fed motor feeder, i saw a capacitor bank of three nos. of capacitors connected in star connected in parallel, before motor. What may be the utility of this capacitor bank ? Whether it may be a surge arrestor or something else ?
$270 (51% off) Dyson DC14 Animal Upright Vacuum (Refurbished) - BargainJack
2009-07-15 19:00:00 $270 (51% off) Dyson DC14 Animal Upright Vacuum (Refurbished) Published by BargainJack.com at 12:00 PM - Wed, Jul 15 Compare your Deal
derekzhang wrote a new blog post: vacuum cleaner nozzle
2009-07-01 03:06:00 derekzhang wrote a new blog post: vacuum cleaner nozzle Surface cleaners, in particular, is an electric Vacuum Cleaner Accessories or Vacuum Cleaner Parts, it is best used for cleaning the carpet or hard floor surface Vacuum Cleaner brush device, it can be driven with a Vacuum Cleaner brush and a suction chamber pieces, which screens the structure of limit, while the structure of the ...
By: BackBeat
Instrumentation For Pumping Capacity of Vacuum Pump
2009-06-26 13:00:00 I'm working on Vacuum Pumps, want to know Standard Industry practice and device for measuring Pumping Speed of Vacuum Pump (As provided by manufacturers). Any Idea about PNEUROP 6602, its mentioned in Edward's Scroll pump broacher as "Pumping Speed measured to PNEUROP 6602" Please ...Pleas
sunjun created a new blog: Vacuum Cleaner Parts
2009-06-25 02:42:00 sunjun created a new blog: Vacuum Cleaner Parts
sunjun wrote a new blog post: Floor nozzle for a vacuum cleaner
2009-06-24 10:35:00 sunjun wrote a new blog post: Floor nozzle for a vacuum cleaner The invention relates to a floor nozzle for a vacuum cleaner with a vacuum chamber defined to the front and rear in the direction of advance by first defining means , for example by sliding blocks , whereby an optional rotating brush is arranged within the vacuum chamber. According to the invention, the manipulation of ...
By: BackBeat
Volumetric Effiency of Vacuum Pump
2009-06-18 17:42:00 Hi, I'm working on Design of Dry Scroll Vacuum Pump, I want to measure volumetric capacity (Free Air Displacement) of Pump under various vacuum level as provided by vacuum pump manufacturers. (Performance Graph). Please suggest me best industry practice and tools. Im desigening Dr
condensor vacuum limits turbine cycle efficiency or not
2009-06-18 09:11:00 More the condensor vacuum more the turbine output & more efficiency or is there any limit.
derekzhang wrote a new blog post: Vacuum Cleaner Brush (Nozzle)
2009-06-15 10:51:00 derekzhang wrote a new blog post: Vacuum Cleaner Brush (Nozzle) We specialize in the production and designment of various Vacuum Cleaner Brushes incluing Power Nozzle, Turbo Nozzle, Floor Brush, Hard Floor Nozzle, and so on. Our high quality vacuum cleaner nozzles are very popular with many vacuum cleaner manufacturers incluing some International Famous Brands. To be better able to meet customers’ varied demands, our vacuum ...
New Vacuum Tube Print "RCA 12AX7" Looks Rubbed Off!
2009-06-12 09:49:00 New Vacuum Tubes have print on them identifying Manufacturer, Make, Origin, and code numbers like a date code. Also some tubes have a logo. I am a tube collector and design Guitar tube amps. It sure bothers me when I buy a factory fresh tube that has some of the print rubbed off somehow and it looks
I Vacuum My Hair so you don?t have to
2009-06-02 16:01:00 I’m like a vacuum bag That holds all that old dirt Man, I’m sorry, but this happened and you’re gonna have to read about it. The other day, I got tired of navigating the hairballs and dust bunnies and tumbleweeds that have taken up residence in our home, so I decided to vacuum. After about ten minutes, the ...
Vacuum Chamber on a Small Fish Pond
2009-05-22 14:49:00 I have acquired a glass dome vacuum chamber that is about 18 inches in diameter and around 24 inches tall. I also have some old vacuum pumps on the shelf. While watching the fish in my small 500 gallon pond I got to thinking. I want to place the chamber on a stand in the pond (open end down of cours
Vacuum Drop - as per codal requirement
2009-05-21 10:13:00 This related to a Thermal Power Station (250MW). Vacuum in COndenser is created by one Vacuum pump which if stopped will cause gradual loss of vacuum and at a predetermined set value further operation of the Turbine is not allowed. Can somebody guide me as what is the acceptable rate of vacuum
Vacuum Drop - Code Requirements
2009-05-21 10:13:00 This related to a Thermal Power Station (250MW). Vacuum in COndenser is created by one Vacuum pump which if stopped will cause gradual loss of vacuum and at a predetermined set value further operation of the Turbine is not allowed. Can somebody guide me as what is the acceptable rate of vac
Air Nozzles and Vacuum Chambers
2009-05-19 05:57:00 What happens if i induse air thru precised nozzles to an vaccum chamber
Stage ratio of hybrid vacuum system.
2009-05-06 09:00:00 what are the recomended stage ratio (Roots:Rotary) in hybrid vacuum system.
Vacuum Pump Performance Curve
2009-05-02 22:42:00 Hello! I'm working on scroll type Dry vacuum Pump, I have two questions in row 1. How to calculate trapped area of Archimedean spiral (my knowledge about integral calculus is very poor so your detail explanation will be highly appreciated.) 2. How to determine performance curve as deliver
Testing of vacuum pump
2009-04-26 08:42:00 Hi friends,can anybody guide how to test the vacuum pump which is designed for creating vacuum at two different locations having different flow rates and vacuum conditions.
VACUUM PUMP
2009-04-25 16:21:00 HOW TO CONNECT SEAL WATER PIPELINE TO LIQUID RING TYPE VACUUM PUMP? MANUFACTURER ALWAYS GIVE WATER FLOW RATE BUT WHAT SHOULD BE THE PRESSURE? IS IT NECESSARY TO USE SEAL WATER TANK IN THE INLET WITH MAINTAINING THE WATER LEVEL UP TO THE HALF OF VACUUM PUMP HEIGHT ?
Energy/work required to use a bicycle/vacuum pump
2009-03-21 22:29:00 Im wondering how much energy it would take to pump a bicycle pump down once. I converted the bicycle pump into a vacuum pump and I am trying to figure out how much energy it will take to pull the handle of the vacuum pump up to extract air from the system that I am vacuuming.
Vacuum Differential Switch - Terminology
2009-03-17 18:54:00 chief, what is the meaning of "reference fort" and "pressure port" on the vaccum diff. switch. what is the port to be connect to the oil tank. thanks,
Mechanical Latch with a Vacuum Contactor
2009-03-09 06:28:00 Hi All, can anyone of you explain me about the reason to use a Mechanical Latch with a Vacuum Contactor? Thanks in advance you all!
Vacuum ion etching for microelectronics manufacture
2009-03-09 01:06:00 I need some help. I need to answer a question about whether ion etching can be used at ultra high vacuum.As atoms are introduced to the system for the purpose of being ionized , accelerated and remove substance then both the atoms and the substance undermine the vacuum level.However I could prese
Vacuum Ion Etching for Microelectronics Manufacturing
2009-03-09 01:06:00 I need some help. I need to answer a question about whether ion etching can be used at ultra high vacuum.As atoms are introduced to the system for the purpose of being ionized , accelerated and remove substance then both the atoms and the substance undermine the vacuum level.However I could p
Designing of Vacuum chamber
2009-03-07 11:18:00 Dear Forum members, Please help me in designing the size of the Vacuum Chamber(in volume "cc") for our Application. We measure the partial pressure of Hydrogen gas at Vacuum chamber. The maximum amount of Hydrogen released to the Vacuum chamber will not exceed 1 Ce
limits of vacuum
2009-03-06 21:48:00 First I agree that it is impractical... But I am not convinced with my mech frnds. Why we cannot create vacuum more than -1 atm. (I know that one can no more drain an empty pot). but if within -1 atm "ALL" things all things are got sucked, then "ALL" things are to be pressurized upto 1 atm only
Temperature Measurement - Seal Ribbon on Vacuum Implulse Sealer
2009-03-06 07:54:00 Dear All: Need help on how to measure the sealribbon temperature duirng the sealing process.. I have a problem on weak seals in our pouch since what we control is only the time of sealing, and most often we have falctuating voltage thus giving me weak seals... I am trying to incorporate the
Liquid Ring in Vacuum Pump
2009-03-06 07:32:00 Is it the excessive of seal water can caused the pump motor trip on overload? i.e the discharged seal water from the separation tank (to separate water and air and located after the pump) accumulated in the separation tank and later the seal water is filled up in the pump. As a result the pump shaft
Vacuum Pumps - Operation, Maintenance, and Types
2009-02-24 09:03:00 i need vacuum pump basic operation and diffrent types of vacuum pumps and servicing maintenance of vacuum pump please any boday plz help
DIY Vacuum Excavator Using a Squirrel Cage Fan?
2009-02-19 02:10:00 Currently I have to crawl on my stomach (in my crawl space) to do any plumbing or electrical updates or repairs. The house was built in 1897 and has sunk a bit. Last summer I dug out about 3 trash cans full of dirt to make a repair easier. I would like to to dig out about 1.5 to 2 feet of dirt from
Analysis Hg2Sb07 chemical in Vacuum packing ?
2009-02-17 19:05:00 Dear Sir, How can I over Hg2Sb207 Element and Isotope analysis ? ( in Vacuum Glass Bottle and overes with Metalic Packing ) without the Bottle breacking and Vacuum Glass not opening, in Isotepic Structure controle and esting, the Material Elemente Hg2Sb207 is correct ???
low horse power vacuum pump in rhode island
2009-02-14 20:32:00 I live in rhode island and I am looking to find a distributor for a low horser power (1/8-1/16) vacuum pump that I can get as soon as possible. Any suggestions? Thanks, -Colin
Looking for a Hand-Cranked Vacuum Pump
2009-02-13 10:05:00 Hello, I am looking for a small, 100 W, hand cranked vacuum pump that can sustain a high intensity of vacuum for its size.
Oreck Vacuum Zaps Germs with UV Rays
2009-02-06 11:47:00 Vacuuming the home is definitely a mundane chore, but one necessary to live in a clean environment. Do we really get all the germs when doing this though? Oreck doesn't think so, introducing this week the world's first upright vacuum which uses ultraviolet light to kill all that nasty stuff on your floor.
Vacuum Gauge Calibration
2009-02-06 09:31:00 can we calibrate vacuum gauge without vacuum pump.if yes kindly tell me how?
Estimating science building central vacuum system costs
2009-02-01 20:18:00 We are trying to get a general idea of the cost of a house vacuum system for a lab building compared with the cost of individual vacuum pumps. Are there estimating guidelines somewhere that we can use to arrive at a planning figure before contacting an engineering firm for a formal estimate? We're
vacuum type dp transmitter calibration
2009-02-01 14:37:00 sir , i want to calibrate my dp transmitter on -1 bar. i have no vacuum pump. can any aternate method to calibration. if i give 1 bar pressure on LP side and open HP to atmosphere? thnk hitesh
No Valentine This Year? Will A Robo Vacuum Do?
2009-01-31 02:22:00 He's red and he cleans. What more could you want for Valentine's Day?
Adhesive needed that won't out-gas in ultra high vacuum
2009-01-19 01:56:00 I'm designing a mirror fixture that will be inside chamber in an extremely high cryogenic vacuum. Normally I would use a few daubs of aquarium grade silicon to secure the mirror to it's cell. That won't work in the high vacuum environment. Can someone suggest an adhesive that is flexible l |
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