Rotor Clause Samples
The "Rotor" clause defines the rights and responsibilities related to the use, maintenance, or replacement of a rotor component within an agreement, typically in contexts such as machinery, vehicles, or equipment leases. This clause may specify which party is responsible for ensuring the rotor is in good working condition, outline maintenance schedules, or set standards for replacement parts. By clearly allocating duties and expectations regarding the rotor, the clause helps prevent disputes over equipment condition and ensures operational reliability.
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Rotor. The rotor is machined from a single high alloy steel forging. The two pole design has 24 axial slots machined radially in the main body of the shaft. The axial vent slots machined directly into the main coil slot are narrower then the main slots and provide the direct radial cooling of the field copper. The two retaining rings are of the body mounted design. The rings will be made of 18 Mn - 18 Cr forged material which offers excellent protection against stress corrosion cracking. The coil wedges are segmented stainless steel. Radial holes are drilled in the wedges for ventilation passages. The shaft at the collector is designed to transmit the torque of an optional starting motor. A shrunk-on coupling is assembled after the collector rings are on, and it provides the interface point to the flex-coupling connection to the motor. The same arrangement and coupling are used with a static start system when the turning gear is replaced by a torque converter and starting motor.
Rotor. A cylinder with a diameter of 24 ± 1.1 millimeters, height of 53 ± 0.1 millimeters, and a vent hole attached to a spindle or shaft with length of 87 ± 2 millimeters that is compatible with the selected viscometer. Acceptable rotors include Rion No. 1, ▇▇▇▇▇ No 1, or an equivalent.
Rotor. The Rion viscotester rotor, while in the off position, is required to be completely immersed in the binder at a temperature from 350 ± 3 °F for a minimum heat equilibrium period of 60 seconds, and the average viscosity determined from three separate constant readings ( 500 cP) taken within a 30 second time frame with the viscotester level during testing and turned off between readings. Continuous rotation of the rotor may cause thinning of the material immediately in contact with the rotor, resulting in erroneous results.
Rotor. (i) Cleaning / checking of rotor for electrical faults.
(ii) Cleaning of motor bearings checking their healthiness .
(iii) Replacement of defective bearings (bearing will be supplied by UCIL )
(iv) Greasing of motor bearings (v) Assembly of motor including fans and guards. To ensure complete healthiness of motor both electrically and for mechanical parts small missing items like bolts etc. is to be provided by the repairing firm.
Rotor. The rotor consists of a highly tensile cast iron hub to which are fixed three rotor blades pivoted about their longitudinal axis. The equipment for the hydraulic pitch control system is accommodated inside the rotor hub. The aerodynamically and acoustically optimised rotor blades are manufactured of carbon and glass fibre reinforced plastics and have an integrated lightning protection of laminated aluminium section. They are bolted to the rotor hub. The hub is protected against environmental influences by a GRP spinner. Both spinner and hub are painted Light Grey (RAL 7035). The blades are painted Traffic White (RAL 9016).
Table 2. Technical data - rotor Rotor diameter m 80 Number of rotor blades piece 3 Swept area m2 5027 Length of blades m 39,1 Hub material Ductile cast iron Blade material CFP / GFP Weight per blade t 6.65 Weight of the complete hub without blades t 20.7 The task of the pitch control system is to match the rotor blade position to match the available wind. Thus, aerodynamically flow conditions are always optimised on the rotor blades; a prerequisite for quiet and effective operation minimising wind turbine structural loadings. At and above nominal rated wind speed, the power output is limited to rated power. At high wind speeds, the pitch system acts as the aerodynamic main brake. Two hydraulic systems that are independent of each other control the adjustment of the blades. The first system is for common pitch control. It consists of three hydraulic cylinders arranged in the hub, which move the rotor blades together via a linking mechanism. Hydraulic accumulators accommodated in the nacelle give a back-up operational capability of the braking system in the unlikely event of failure of the hydraulic unit. The second system is for single pitch control. To accomplish this, each rotor blade uses its own adjusting cylinder (safety cylinder) that moves the rotor blade independently of the other pitch cylinders. Each of these safety cylinders is backed up by its own hydraulic accumulator so that in the event of failure of the main hydraulic system the blade can always be moved into the feathered position.
Table 3. Technical data - pitch system Arrangement in the centre of the rotor hub Drive hydraulic Function Single pitch control and central pitch control Maximum pitch control speed single pitch control °/s Maximum pitch angle single pitch control ° 46 Maximum pitch control speed common pitch control °/s Maximum pitch angle common pitch control...
Rotor. The two rotor blades are the main concept of this SCD technology. Two independent hydraulic blade pitch system guarantee a highly dynamic blade angle adjustment and maximum safety in case of failure. The aerodynamic of the rotor blades are well-designed and provide low loads. This two rotor blades can also park horizontally in case of extreme wind speed. Annex 2, License Agreement of SCD (2008-07-28)
Rotor. 1. Diameter
2. Swept Area
3. Number of Blades
4. Blades Length
5. Airfoil 6. Blade Material
Rotor. The rotor comprises blades (consisting of a combination of fibres and polymer), a hub and a blade pitch system. Typically, the blades fraction is 60% [28,35]. Carbon fibres require less resin RMC than glass fibres [35]. Biological fibres (e.g. sisal, flax, hemp and jute) have the potential to reduce costs and environmental burden [36]. ▇▇▇▇ and colleagues [37] further demonstrated the possibility of bamboo in wind turbine blades. However, large-scale biological fibre blades has not been deployed. Due to insufficient data, the RMC of biological fibres was assumed to be similar to that of carbon fibres. Note that the term polymer in this analysis includes thermoset and thermoplastic resins.
Rotor