Hewlett-packard Development Company, L.p.

Hewlett-packard Company

Hewlett Packard Enterprise Development LP

Glenn Cochran Simon

Christopher Gregory Malone

Cullen Edwin Bash

Ricardo Ernesto Espinoza-Ibarra

Stephan Karl Barsun

Timothy Michael Rau

Michael Renne Ty Tan

Chandrakant D Patel

Sagi Varghese Mathai

James David Hensley

Michael Alan Brooks

Brad E Clements

Angela L Minichiello

Thom Augustin

Vella Srinivas

Christopher Paul Lucas

Wayne V Sorin

Ratnesh Kumar Sharma

Christian Laszlo Belady

Arlen Lee Roesner

Robert William Dobbs

Brandon Rubenstein

Kirk Michael Bresniker

Andrew Michael Cherniski

Derek Steven Schumacher

Roy M Zeighami

Bryan David Bolich

Jeffrey L Deeney

Sean Anthony Cerniglia

Michael J Greenside

Douglas Edwin O'Neil

David G Rohrer

Joseph D Dutson

Victoria Tsang Tam

Dennis C Thompson

Mike Devon Giraldo

Teri F Verschoor

Jeff Evans

One example relates to an optical engine comprising an optical waveguide. The optical waveguide can comprise a total internal reflection (TIR) edge to change direction of an optical light beam to an angle parallel to a top surface and a bottom surface of the optical waveguide. The optical waveguide can also comprise a plurality of aligning holes extending from the top surface to the bottom surface of the optical waveguide. The optical engine can comprise a substantially transparent slab underlying the optical waveguide. The slab can also comprise a micro lens to collimate the optical light beam. The slab can further comprise a plurality of aligning pins extending perpendicular from a top surface and bottom surface of the slab. Each of the plurality of aligning pins can extend through a respective one of the plurality of aligning holes.

Optical waveguide

Example embodiments disclosed herein relate to the estimation of temperature based on a fan control signal. Example embodiments include the estimation of temperature based on a fan control signal having a value based on a temperature reading of a temperature sensor.

Temperature estimation based on a fan control signal

A system includes an optical transmitter package comprising an optical transmitter to generate optical transmission signals based on electrical transmission signals. The system also includes an optical receiver package comprising an optical receiver to generate electrical reception signals based on optical reception signals. The system further includes a printed circuit board (PCB) on which the optical transmitter package and the optical receiver package are mounted. The PCB includes a heat generating circuit component. The optical transmitter package can be mounted to the PCB to subjected to less heat from the heat generating circuit component than the optical receiver package.

Optical transmitter and receiver circuit arrangement

A frame has frame blades arranged to be interleaved with memory modules or memory module sockets. The frame blades participate in cooling the memory modules when memory modules are installed.

Frame having frame blades that participate in cooling memory modules

An airflow control apparatus includes a controllable airflow resistance aligned with an airflow path of a plurality of airflow paths, a sensor capable of detecting an airflow condition in at least one of the plurality of airflow paths, and a controller. The controller is coupled to the controllable airflow resistance and to the sensor, and can control the controllable airflow resistance to manage airflow recirculation based on the airflow condition detected by the sensor.

Controllable flow resistance in a cooling apparatus

An apparatus includes a chassis that further includes at least one receiving buttress. The chassis defines an enclosure, and the at least one buttress protrudes a portion of a first electronic device outside the enclosure by preventing further insertion of the first electronic device into the enclosure.

Chassis apparatus protruding electronic devices

A cold plate has blades arranged to be interleaved with memory modules, with clips coupling blades to memory modules. A liquid cooling loop is thermally coupled to the blades of the cold plate.

Cooling memory modules using cold plate blades coupled to the memory modules via clips

A cold plate has blades arranged to be interleaved with memory modules or memory module sockets. A liquid cooling loop is thermally coupled to the blades of the cold plate.

Cold plate having blades that interleave with memory modules

A fan assembly includes a housing; a plurality of fan units mounted in the housing; and a flex printed circuit board (PCB) having a first portion, the first portion of the flex PCB electrically connected to each of the plurality of fan units, the flex PCB having a second portion, the second portion of the flex PCB including a printed circuit assembly (PCA), the PCA having mounted thereon a connector to connect to a PCA disposed within a chassis. Alternatively, an apparatus includes a chassis having a PCA disposed inside the chassis; and a fan assembly, the fan assembly including a housing; a plurality of fan units mounted in the housing; and a flex PCB having a first portion, the first portion of the flex PCB being arranged parallel to a surface of the housing and being electrically connected to each of the plurality of fan units, the flex PCB having a second portion, the second portion of the flex PCB including a PCA, the PCA having mounted thereon a connector connected to the PCA disposed within the chassis.

Fan assembly with flex printed circuit board

A pump assembly includes inlet and outlet interfaces capable of coupling to a liquid cooling loop tubing, a plurality of pump connectors coupled to the inlet and outlet interfaces enabling pluggable connection of a plurality of pumps to the inlet and outlet interfaces, and a controller. The controller is coupled to the plurality of pumps and controls power levels of the individual pumps, enabling control of fluid flow rate in the liquid cooling loop.

Liquid loop with multiple pump assembly

In an active heat sink, a heat sink comprises a plurality of heat sink fins and multiple fans configured in a redundant arrangement coupled to the heat sink.

Active heat sink with multiple fans

An apparatus in one example comprises a reversible fan of an electronic module that rotates in a clockwise direction if the electronic module is communicatively coupled in a first position and a counterclockwise direction if the electronic module is communicatively coupled in a second position.

Reversible fan of electronic module

An electronics cooling fan comprises a centrifugal clutch adapted to disengage and freewheel upon fan failure.

Centrifugal fan clutch for an electronics cooling fan

An electronics cooling fan comprises at least one collapsible fan blade driven by centrifugal force to extend radially as the fan spins and driven by elastic force to retract as spinning slows or stops.

Electronics cooling fan with collapsible fan blade

A cooling apparatus comprises a printed circuit board and an air duct positioned adjacent the printed circuit board spanning space and forming an air-guiding channel from at least one system fan to at least one heat sink. The air-guiding channel is bounded on one side by the printed circuit board and on remaining sides by the air duct that compresses against the printed circuit board in a substantially airtight seal.

Growing community of inventors

Auburn, CA, United States of America

Glenn Cochran Simon