Abstract: An actuated shear pin includes an actuator and pin body coupled to the actuator. The actuator selectively configures the pin body in a locking configuration or a stowed configuration. In the locking configuration, the pin body is placed in a travel path of two components configured to move relative to each other, to inhibit such relative movement. In the stowed configuration, the pin body is out of the travel path, thereby allowing the two components to move relative to each other.

Abstract: The invention is a set of reduction gears constructed to aid the installation or removal of a packing nut or similar equipment part onto or from an oil field pump. A first gear is integrated onto a packing nut or other threaded part to a piece of oil field equipment. The first gear is placed in rotational contact with a second gear rotatably mounted on the surface of a fluid end. The second gear is a reduction gear which a worker can turn to thread the first gear of the packing nut. The invention includes a pawl set against the first gear prevent unwanted loosening of the packing nut during operations.

Abstract: A control system for a machine is disclosed. The control system may have an engine configured to combust a mixture of fuel and air and generate a mechanical power output and a flow of exhaust, and a sensor configured to generate a signal indicative of the machine moving between zones having different air characteristics. The control system may also have a controller in communication with the engine and the sensor. The controller may be configured to selectively adjust operation of the engine based on the signal in an amount related to the air characteristics.

Abstract: An output transfer group, or drop box, can include a housing and a gear transfer train, rotatably supported within the housing, that includes an input gear adapted for enmeshing engagement with a transmission output shaft and a gear transfer output shaft that is rotatable upon rotation of the input gear. A coupler can be provided that includes a hub rotatively coupled with the gear transfer output shaft, a bearing carrier, a coupler output shaft rotatively coupled to the bearing carrier, and a coupling mechanism rotatively coupled to the bearing carrier. The coupling mechanism can be movable between an engaged position, wherein the coupling mechanism is rotatively coupled to the hub, and a disengaged position, wherein the coupling mechanism is disengaged from the hub. A solenoid can be arranged with the coupling mechanism to selectively move the coupling mechanism from the disengaged position to the engaged position.

Abstract: A control system for a machine is disclosed. The control system may have an engine configured to combust a mixture of fuel and air and generate a mechanical power output and a flow of exhaust, and a sensor configured to generate a signal indicative of the machine moving between zones having different air characteristics. The control system may also have a controller in communication with the engine and the sensor. The controller may be configured to selectively adjust operation of the engine based on the signal in an amount related to the air characteristics.

Abstract: An output transfer group, or drop box, can include a housing and a gear transfer train, rotatably supported within the housing, that includes an input gear adapted for enmeshing engagement with a transmission output shaft and a gear transfer output shaft that is rotatable upon rotation of the input gear. A coupler can be provided that includes a hub rotatively coupled with the gear transfer output shaft, a bearing carrier, a coupler output shaft rotatively coupled to the bearing carrier, and a coupling mechanism rotatively coupled to the bearing carrier. The coupling mechanism can be movable between an engaged position, wherein the coupling mechanism is rotatively coupled to the hub, and a disengaged position, wherein the coupling mechanism is disengaged from the hub. A solenoid can be arranged with the coupling mechanism to selectively move the coupling mechanism from the disengaged position to the engaged position.

Abstract: The present invention relates to a sulfur-containing polyureaurethane and a method of preparing said polyureaurethane. In an embodiment, the sulfur-containing polyureaurethane adapted to have a refractive index of at least 1.57, an Abbe number of at least 32 and a density of less than 1.3 grams/cm3, when at least partially cured.

Abstract: The present invention provides polythiol oligomer formed by the reaction of at least two or more different dienes and at least one or more dithiol wherein stoichiometric ratio of the sum of the number of equivalents of all polythiols to the sum of the number of equivalents of all dienes used to form said polythiol oligomer is greater than 1.0:1.0; and wherein said two or more different dienes comprise (a) at least one non-cyclic diene and at least one cyclic diene; or (b) at least one aromatic ring-containing diene and at least one non-aromatic cyclic diene; or (c) at least one non-aromatic monocyclic diene and at least one non-aromatic polycyclic diene; Sulfur-containing polyurethane of the present invention can be prepared by combining polyisocyanate, polyisothiocyanate, or mixture thereof; the polythiol oligomer described above; and active hydrogen-containing material.

Abstract: The present invention relates to a sulfur-containing polyureaurethane and a method of preparing said polyureaurethane. In an embodiment, the sulfur-containing polyureaurethane adapted to have a refractive index of at least 1.57,an Abbe number of at least 32 and a density of less than 1.3 grams/cm3, when at least partially cured.

Abstract: The present invention relates to a sulfur-containing polyureaurethane and a method of preparing said polyureaurethane. In an embodiment, the sulfur-containing polyureaurethane adapted to have a refractive index of at least 1.57, an Abbe number of at least 32 and a density of less than 1.3 grams/cm3, when at least partially cured.

Abstract: A method and system for controlling work site dust conditions are provided. The method may include providing a mobile dust control machine configured to treat a dust condition within a work location. The dust control machine may be disposed distant from the work location. The method may further include monitoring a dust condition of the work location, generating a dust control signal in response to monitoring the dust condition, dispatching the mobile dust control machine to the work location in response to the dust control signal, and operating the mobile dust control machine at the work location.

Abstract: A method and system for controlling work site dust conditions are provided. The method may include providing a mobile dust control machine configured to treat a dust condition within a work location. The dust control machine may be disposed distant from the work location. The method may further include monitoring a dust condition of the work location, generating a dust control signal in response to monitoring the dust condition, dispatching the mobile dust control machine to the work location in response to the dust control signal, and operating the mobile dust control machine at the work location.

Abstract: According to the present invention, there is provided a device for guiding a tool on a string within a blow out prevention ("BOP") stack. In one embodiment, the device includes a top collar connected to a bottom collar by a shroud having a plurality of flexible members which bow outwardly from the collars, wherein the shroud covers a portion of the tool. An energy absorbing bumper is provided above the top collar to absorb structural impact caused by a blow out or other inadvertant pressure in a downhole application.

Abstract: A ferrosilicon-based ferroalloy for inoculation of spherulitic graphite irons containing (by weight) from 0.005% to 3% rare earths, 0.005% to 3% bismuth, lead and/or antimony, and 0.3% to 3% calcium, and is characterized by the fact that Si/Fe>2 and contains from 0.3 to 3% magnesium. The ferroalloy exhibits improved granulometric stability during storage.

Abstract: According to the present invention, there is provided a device for guiding a tool on a string within a blow out prevention ("BOP") stack. In one embodiment, the device includes a top collar connected to a bottom collar by a shroud having a plurality of flexible members which bow outwardly from the collars, wherein the shroud covers a portion of the tool. An energy absorbing bumper is provided above the top collar to absorb structural impact caused by a blow out or other inadvertant pressure in a downhole application.

Abstract: An apparatus coupled to a work machine for assisting the work machine in removing a first layer of material from a second layer of material is provided. The work machine includes a work implement with a cutting portion. The work implement is elevationally movably connected to the work machine. The cutting portion extends in a direction transverse the longitudinal axis of the work machine. An electromagnetic unit, connected to the work machine, delivers electromagnetic radiation towards the surface, receives a reflection of the delivered electromagnetic radiation, and delivers a responsive first signal. The electromagnetic radiation penetrates the first layer of material and reflects off of the second layer of material. A controller receives the first signal, determines the distance between the electromagnetic unit and the second layer of material and responsively produces a distance signal. An implement controller receives the distance signal and responsively actuates the work implement relative to the frame.

Abstract: An automatic object responsive control system for a work implement has a ground penetrating device mounted for sensing subsurface objects, an object detecting device for determining the undesirability of the object, and an implement control system for automatically elevationally raising the implement in response to an undesirable object being located elevationally between the implement and the ground penetrating device. The automatic object responsive control system is particularly suited for use on a geographic surface altering machine.

Abstract: An electrohydraulic control device for a drive train of a machine is disclosed. The drive train includes an engine, a transmission, and a torque converter having a rotating housing. The torque converter is drivingly connected between the engine and the transmission. The torque converter also includes an impeller element. An impeller clutch connects the impeller element to the rotating housing. An impeller clutch electrohydraulic valve produces fluid flow to the impeller clutch to controllably engage and disengage the impeller clutch. A torque converter speed sensor senses the output speed of the torque converter and responsively produces a torque converter speed signal.

Abstract: The system employing and the processing of, an indirectly sensed signal representative of a periodic noise acoustic wave into an input signal for a noise cancelling system where the indirectly sensed signal is converted into a pulse signal per period that carries fundamental and harmonic frequency information of the periodic noise. A tachometer type RPM signal is processed in a counter circuit controlled by a logic circuit to produce a signal of one pulse per revolution with a controlled duration, the pulse amplitude is adjusted, the pulses are low pass filtered and any D.C. is blocked from the noise cancelling system input.

Abstract: An apparatus (102) and method for detecting the position of a piston and piston rod (104,106) within a housing (108) of a hydraulic cylinder (110). The piston (104), piston rod (106), and housing (108) form first and second coaxial resonant cavities (114,116). A first location of the piston and piston rod (104,106) is determined as a function of the resonant frequency of one of the coaxial cavities (114,116). A second location of the piston and piston rod (104,106) is determined as function of the resonant frequency of the other cavity if the first location is invalid.