How can two little gears can create HUGE hydraulic pressure.
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Why is the inlet supposed to be bigger than the outlet.
I work on PC-400 excavators. They have a dual set variable displacement piston pump. To stop cavitation they build the pump with a centrifugal primary pump on the inlet side to somewhat pressurize the oil before the piston section. I thought that was a good idea to make up for a lot of bad ideas that Komatsu has.
⭕️what is the unit number or part number ?
good video very use-full information the end he torques the bolts and kind of uses my torque method called gooodntite
90 bucks till you put it in proprietary equipment. Just had to pick one up for a measly 640 United States Dollars.
Excellent, I have been trying to figure out why my pump wont build pressure and heats up quickly, after reversing the rotation I didn't get the excess fluid diverter in the correct orientation, works great now, thanks!!!!
I wish I would have watched this 6 years ago. I now understand why a Melling oil pump for a small block Chevy has the pressure relief valve and how it controls bearing pressure and yes, it dumps into the crankcase. It contains no o-ring so the design is simpler and works for the needed pressure. KUDOS!
As an aside, modern engine machining now uses plateau honing with deep scratches and a finish that is smoothed for the piston rings to seal "against" and the ring seal is the oil, not the pressure. You want no contact between the 2. This is why modern pistons rings live longer. Better seal, less emissions, more power, longer life. Rediscovered by the diesel crowd that make extremely high horsepower. Can you say RVK meter?
u love sayin that phrase "basil platent" dont u lol what in the Hell is that by the way…???? lol iv never heard that phrase my whole life..which doesnt mean a whole lot..but i also couldnt find it on google..which does mean a little :p
thank you so much for your help, u taught me so much I needed to know if a pump could run either way all I have to do is flip the gears wow thanks again
Do you have any release the schmoo T-shirts?
The way you described fluid flow can also be applied to electricity watts vs amps and voltage. It was always easier for me to understand in that format.
Learned a lot on this one. Thanks
Only odd ladies watch this ?
I really like the video one can understand easily
That was a very poignant summary of your audience for a hydraulic pump vijayo
Oil pressure is dictated by clearances. Ive refused so many customer supplied oil pumps due to refusing diag.