Answers:
Piston motors: electronics, 0 degree capability, good efficiency at low speed
orbit motors: integrated valves, integrated brakes, high pressure shaft seals, integrated sensors
~Maurizio A, Marketing/Sales, Parma, Italy
Things like horse power limiter, torque limiter, new design in machine with load sensing and electronic control influence the choice of hydraulic motors.
~Claude L, General Management, Montreal, Canada
1) Distributor valve or port plate 2) Hydrostatic balance piston with orifice jet 3) High pressure shaft seal
~Colin G, Design Engineer, Shanghai, P.R.China
Electronics. Coordination with engine. Automotive style propel that responds to engine rpm with fine inching control.
~John M, Technical Support, Vancouver, WA
Improved manufacturing technologies make hydraulic motors more efficient and more reliable; Hydraulic control units lead to increased flexibility.
~George W, Engineering Consultant, Austria
Agricultural tractors in the future may be driven by hydraulic motors. Industrial equipment will also be a factor.
~Cyril L, Manufacturer, Sligo, Ireland
What we need in the near future will depend upon how much elect. power the person buying the machine wants to supply. Enough to supply a 40 watt light or enough to power 10-3000 homes or more.
~Lloyd H, Technical Support, Moore, OK
Improved power to weight, higher torque outputs, more compact design including higher working pressures.
~Marketing/Sales, Brendale, Australia
Monitoring of pump: temp, flow, inlet supply and filtration, computerization.
~Toddy R, General Management, Point Lisas, Trinidad W>I>
Compactness, PLC controls, high torque/low speed requirements, maintainability
~Phaniraj K, General Management, Secunderabad, India
Ability to use low-tech materials such as mineral oil as the fluid media.
~Jay Q, Design Engineer, Clearlake, CA
Environmental adaptation - climate - hot or cold applications
~Leo B, Design Engineer, Beauharnois, Quebec, Canada
Composite materials technologies / High Mobility application
~Engineering, Design, hermosillo, Mexico
Speed to volume pump needs to run at, as well as size ratio.
~Eugene T, Manufacturer, Victoria B.C., Canada
Metallurgy, Casting techniques, 3D Cad drawing programs
~Purchasing, Sydney, Australia
High pressure and little weight
~Aurelio B, Industrial Technologist, Ambato-Tungurahua, Ecuador
Size of motor relevant to the power output available.
~Alfred G, Design Engineer, Johannesburg, South Africa
Need for efficiency and electronic control features.
~Robert J, Valuable, Untitleable, Houston, TX
Hardening technology components of hydraulic motors.
~Oleg V, Engineering Consultant, Sankt-Petersburg, Russia
Control in variable motors, hydraulic proportional
~De Leri G, Engineering Consultant, Italy
Smoother operation power, smaller units, lighter units
~Robert B, Retired, once worked on jet air craft, Rising City, NE
Not sure, maybe high pressure low volume systems.
~Glenn D, General Management, Aiea, HI
Variable displacement pressure sensing pumps.
~Rajiv R, Design Engineer, Cochin, India
Noise and pressure measurement techniques
~Doug B, Faculty/Staff, Saskatoon, Canada
Materials and heat treatment and surface
~Breveglieri A, Design Engineer, Casalecchio di Reno-Bologna, Italia
Computer assisted engineering software.
~Ed A, Inventor, St. Augustine, FL
The wheel, cars, .trucks, overunity. etc.
~Engineering, Design, tysvær, Norway
hybrid diesel electric hydraulic
~Tadeusz Z, Owner/Builder, Gdansk, Poland
Cam Operated, Valve Plates
~Nahum Goldenberg N, Engineering Consultant, Kiriyat-Ono, Israel
Seal material and design
~Engineering, Other, Pomona, Australia
Overall size Vs capacity
~Norm E, Automotive Technical Trainer, Mount Evelyn, Australia
Control technologies
~Rod P, General Management, Manila, Philippines
Electronic controller
~Son V, Technical Support, Houston, TX
CAD fluid dynamics
~Russell W, Research & Development, Runnells, IA
Electronic controls
~John S, Tech support engineer, Sherwood Park, Canada
Improved Valving
~Engineering, Design, Owego, NY
Minimum sizing
~Rde G, Manufacturer, Westlake, CA
Servo motor
~Henry C, Marketing/Sales, Taichung, Taiwan
High torque
~Li Y, General Management, Shanghai, China
Piston type
~Onnig B, Design Engineer, Beirut, Lebanon
Disc valve
~Engineering, Other, Chanhassen, MN